{
    "action": "tool_call",
    "reasoning": "I don't know the exact columns of the by_AI_Tool gold table, so I'll look at a few rows before writing an aggregate. This avoids guessing column names.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT * FROM AI_Usage_and_Impact_on_Students_and_Professionals_by_AI_Tool LIMIT 50",
        "purpose": "Inspect columns and values of the per-AI-tool gold table",
        "source": "gold"
    }
}