{
    "action": "tool_call",
    "reasoning": "The earlier draft quoted surface figures and hand-typed them as a table, and no query result backs them. I'll query the surface gold table so the numbers come from an executed result and render properly.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT * FROM raw_kaggle_by_Surface",
        "purpose": "Get per-surface averages (aces, double faults, rank) from the gold table to ground the analysis suggestions",
        "source": "gold"
    }
}