{
    "action": "tool_call",
    "reasoning": "Get top values and shares for the main categorical columns in one query over raw.startup_funding.",
    "tool": "query_sql",
    "args": {
        "sql": "WITH t AS (SELECT 'Industry Vertical' AS col, \"Industry Vertical\" AS v FROM raw.startup_funding UNION ALL SELECT 'SubVertical', \"SubVertical\" FROM raw.startup_funding UNION ALL SELECT 'City Location', \"City  Location\" FROM raw.startup_funding UNION ALL SELECT 'InvestmentnType', \"InvestmentnType\" FROM raw.startup_funding), c AS (SELECT col, v, COUNT(*) AS n FROM t GROUP BY col, v), r AS (SELECT col, v, n, ROUND(100.0 * n / SUM(n) OVER (PARTITION BY col), 1) AS pct, ROW_NUMBER() OVER (PARTITION BY col ORDER BY n DESC) AS rk FROM c) SELECT col, rk, v, n, pct FROM r WHERE rk <= 7 ORDER BY col, rk",
        "purpose": "Top values and frequencies for main categorical columns",
        "source": "raw"
    }
}