{
    "action": "tool_call",
    "reasoning": "I need to retrieve the exact row count, column count, and the time period covered by the dataset to display as a rendered result.",
    "tool": "query_sql",
    "args": {
        "purpose": "Get row count, column count, and date range",
        "source": "raw",
        "sql": "SELECT \n    (SELECT column_count FROM analytics.table_overview WHERE table_name = 'ai_supercomputers') as total_columns,\n    COUNT(*) as total_rows,\n    MIN(\"First Operational Date\") as start_date,\n    MAX(\"First Operational Date\") as end_date\nFROM raw.ai_supercomputers;"
    }
}