{
    "action": "tool_call",
    "reasoning": "The gold table's column names are not listed on the card, so I'll look at its structure before querying specific columns.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT * FROM bedtime_screentime_sleep_debt_by_primary_bedtime_app LIMIT 10",
        "purpose": "Inspect columns and values of the gold table by primary bedtime app",
        "source": "gold"
    }
}