{
    "action": "tool_call",
    "reasoning": "No evidence exists yet for the figures I drafted. I need to pull the per-species aggregates from the gold table Iris_by_Species so the numbers are grounded and rendered.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT * FROM Iris_by_Species",
        "purpose": "Per-species averages, medians, and ranges for all four measurements to see which separates species best",
        "source": "gold"
    }
}