{
    "action": "tool_call",
    "reasoning": "I need to show the total rows and columns in the dataset. Querying the analytics.table_overview will render a nice table for the user showing the breakdown per table, which I can then sum up.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT table_name, row_count, column_count FROM analytics.table_overview",
        "purpose": "Get row and column counts per table",
        "source": "raw"
    }
}