diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b4cf79..c4957d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,10 @@ All notable changes to lcode are documented here. The format follows
   like it over four nights, the extra work also fixed a test the model had called pre-existing.
 - **Checks that don't finish in 10 minutes are no longer called a failure.** The model is told that they
   don't say whether its change works, instead of to fix what it broke.
+- **A SPARQL query it never ran** now counts like code it never ran (#242): on the dev slice, 2 of 3
+  `sparql-university` attempts on 0.61.0 wrote `solution.sparql` and said they were done without running it.
+  lcode sends the model back once, and the note names `rdflib`. SQL files stay out, because one can be a
+  migration, and asking to run that could change a real database.
 
 ### Fixed
 
diff --git a/docs/usage.md b/docs/usage.md
index c97df0d..ebefe29 100644
--- a/docs/usage.md
+++ b/docs/usage.md
@@ -273,9 +273,10 @@ or reading it doesn't count as running it. `checks = "off"` turns this off too.
 
 **Code it never ran.** A model that writes a new module and finds no Python, or checks only its
 syntax, tends to call it done, and the first run shows the error. When a request wrote a new code
-file (Python, JavaScript, TypeScript, Rust, Go, C, Java and other languages that run) and no command
-since its last change ran it, lcode sends it back once: run it (import a module and call what it
-wrote; start a server in the background and try it) and fix what fails, or say plainly that it's
+file (Python, JavaScript, TypeScript, Rust, Go, C, Java and other languages that run, or a SPARQL
+query) and no command since its last change ran it, lcode sends it back once: run it (import a module
+and call what it wrote; run a query on its data; start a server in the background and try it) and fix
+what fails, or say plainly that it's
 untested and why. A command counts when it names the file or its module, or runs tests, and its
 program was there: a syntax, lint or type check, `python3: command not found` or a command that
 only reads doesn't count. When `uv` is installed, the note adds that `uv run --with PACKAGE python FILE` runs
diff --git a/src/lcode/checks.py b/src/lcode/checks.py
index f6857ed..eae2d5f 100644
--- a/src/lcode/checks.py
+++ b/src/lcode/checks.py
@@ -338,10 +338,12 @@ def unrun_note(scripts: list[str]) -> str:
 
 # ----------------------------------------------------------------------------- code written, never run
 
+# Not .sql: one can be a migration, and asking the model to run that could change a real database.
 CODE_SUFFIXES = frozenset(
     {".py", ".js", ".mjs", ".cjs", ".ts", ".tsx", ".jsx", ".rs", ".go", ".c", ".cc", ".cpp", ".java", ".kt", ".rb",
-     ".php", ".pl", ".lua", ".jl", ".r", ".scala", ".swift", ".cs"}
+     ".php", ".pl", ".lua", ".jl", ".r", ".scala", ".swift", ".cs", ".sparql", ".rq"}
 )  # fmt: skip
+SPARQL_SUFFIXES = (".sparql", ".rq")
 # Checks that read the code without running it (syntax, lint, types): they don't show that it works.
 STATIC_ONLY = re.compile(
     r"\bast\.parse\b|\bpy_compile\b|\bcompileall\b|(?:^|\s)-fsyntax-only\b|\b(?:node|deno)\s+(?:-c|--check)\b"
@@ -359,7 +361,7 @@ def unrun_note(scripts: list[str]) -> str:
 
 
 def is_code(rel: str) -> bool:
-    """Whether a file is a program or module in a language that runs (shell scripts have their own check)."""
+    """Whether a file is a program, module or query in a language that runs (shell scripts have their own check)."""
     return Path(rel).suffix.lower() in CODE_SUFFIXES
 
 
@@ -390,16 +392,19 @@ def untested_note(files: list[str], missing: list[str], uv: bool) -> str:
     note = (
         f"[lcode] You wrote {names} in this request but haven't run {it} since your last change. Run {it} now and fix "
         f"what fails, so you know {it} works before you say so: for a module, import it and call what you wrote; "
-        "for a server or anything else that keeps running, start it in the background and try it. A syntax check "
-        "doesn't show that it works."
+        "for a query, run it on its data; for a server or anything else that keeps running, start it in the "
+        "background and try it. A syntax check doesn't show that it works."
     )
     if missing:
         note += f" {', '.join(f'`{m}`' for m in missing)} isn't installed here."
-    if uv and any(f.endswith(".py") for f in files):
+    sparql = any(f.lower().endswith(SPARQL_SUFFIXES) for f in files)
+    if uv and (sparql or any(f.endswith(".py") for f in files)):
         note += (
             " To run Python code without changing this machine's Python, `uv run --with PACKAGE python FILE` fetches "
             "Python and the packages it needs into a throwaway environment."
         )
+        if sparql:
+            note += " For a SPARQL query, the package is `rdflib`."
     return note + f" If you can't run {it}, say plainly in your answer that {it} is untested, and why."
 
 
diff --git a/tests/test_stuck.py b/tests/test_stuck.py
index cbe0821..59011e7 100644
--- a/tests/test_stuck.py
+++ b/tests/test_stuck.py
@@ -325,8 +325,27 @@ def test_what_counts_as_running_new_code():
     no_torch = "ModuleNotFoundError: No module named 'torch'\n\n[exit code: 1]"
     assert checks.exercised("python3 -c 'import geometry'", no_torch, files) == []
     assert checks.not_found(missing + "\n/bin/sh: 1: node: not found\n") == ["python3", "node"]
-    assert checks.is_code("geometry.py") and checks.is_code("src/Main.JAVA")
-    assert not any(checks.is_code(f) for f in ("build.sh", "notes.md", "meeting.ics", "query.sparql"))
+    assert all(checks.is_code(f) for f in ("geometry.py", "src/Main.JAVA", "query.sparql", "ask.rq"))
+    assert not any(checks.is_code(f) for f in ("build.sh", "notes.md", "meeting.ics", "schema.sql"))
+
+
+def test_a_query_written_and_never_run_is_sent_back_once(make_agent, repo, monkeypatch):
+    """2 of 3 sparql-university attempts on 0.61.0 wrote solution.sparql and said they were done without running it."""
+    monkeypatch.setattr(checks, "uv_available", lambda: True)
+    agent = make_agent(
+        [
+            reply(tool_calls=[call("write_file", path="solution.sparql", content="SELECT ?s WHERE { ?s ?p ?o }\n")]),
+            reply("Done: solution.sparql has the query."),
+            reply(tool_calls=[call("bash", command="uv run --with rdflib python -c 'open(\"solution.sparql\")'")]),
+            reply("It runs, and returns 3 rows."),
+        ],
+        checks="auto",
+    )
+    agent.run_turn("write the query")
+    notes = untested_notes(agent)
+    assert len(notes) == 1 and "You wrote solution.sparql" in notes[0] and "for a query, run it on its data" in notes[0]
+    assert "the package is `rdflib`" in notes[0]
+    assert agent.messages[-1]["content"] == "It runs, and returns 3 rows."
 
 
 def test_code_written_and_never_run_is_sent_back_once(make_agent, repo, monkeypatch):