{
    "action": "tool_call",
    "reasoning": "To determine the overall trend over time, I will count the number of records per year in the `serve_kaggle` table. The `Date` column is a VARCHAR in the format 'DD-Mon-YYYY', so I can extract the year using `RIGHT(Date, 4)`.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT RIGHT(Date, 4) AS year, COUNT(*) AS record_count FROM raw.serve_kaggle GROUP BY year ORDER BY year;",
        "purpose": "Count records per year to observe the trend over time.",
        "source": "raw"
    }
}