{
    "action": "tool_call",
    "reasoning": "The earlier draft cited numbers, but no query results are in evidence. I'll pull the Iris_by_Species gold table so every figure is grounded before answering.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT * FROM Iris_by_Species ORDER BY Species",
        "purpose": "Per-species counts and min/avg/median/max of each measurement to assess which features separate the species",
        "source": "gold"
    }
}