{
    "action": "tool_call",
    "reasoning": "I will query the analytics.table_overview to get a precise breakdown of the rows and columns for each table, which will also allow me to sum them up for the total counts.",
    "tool": "query_sql",
    "args": {
        "purpose": "Get row and column counts for all tables",
        "source": "raw",
        "sql": "SELECT table_name, row_count, column_count FROM analytics.table_overview ORDER BY row_count DESC;"
    }
}