{
    "action": "tool_call",
    "reasoning": "My earlier draft cited per-species numbers, but no query result backs them in this turn. I'll pull them from the gold table Iris_by_Species so the claims are grounded and the table renders.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT Species, row_count, SepalLengthCm__avg, SepalLengthCm__min, SepalLengthCm__max, SepalWidthCm__avg, SepalWidthCm__min, SepalWidthCm__max, PetalLengthCm__avg, PetalLengthCm__min, PetalLengthCm__max, PetalWidthCm__avg, PetalWidthCm__min, PetalWidthCm__max FROM Iris_by_Species ORDER BY Species",
        "purpose": "Verify per-species averages and ranges for sepal and petal measures",
        "source": "gold"
    }
}