{
    "action": "tool_call",
    "reasoning": "No evidence has been gathered yet, so the earlier draft's numbers are unverified. I'll query the Iris_by_Species gold table for the per-species stats before answering.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT * FROM Iris_by_Species",
        "purpose": "Per-species counts and min/max/avg/median of petal and sepal measurements to assess separability",
        "source": "gold"
    }
}