{
    "action": "tool_call",
    "reasoning": "No query results are in evidence yet, so the numbers in my earlier draft are unverified. I'll pull the per-species aggregates from the gold table so the answer rests on an executed result.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT * FROM Iris_by_Species",
        "purpose": "Per-species averages, minima and maxima of each measure, to compare species size and check separability",
        "source": "gold"
    }
}