{
    "action": "tool_call",
    "reasoning": "I can't see the earlier tool results in this turn, so I will re-run the ranking query to ground the answer. Amount in USD is VARCHAR with commas, so I strip them and cast before ranking.",
    "tool": "query_sql",
    "args": {
        "sql": "WITH p AS (SELECT \"Startup Name\" AS startup, \"Date dd/mm/yyyy\" AS dt, \"City  Location\" AS city, InvestmentnType AS round_type, TRY_CAST(REPLACE(REPLACE(\"Amount in USD\", ',', ''), ' ', '') AS DOUBLE) AS amt FROM raw.startup_funding) SELECT * FROM (SELECT 'highest' AS side, startup, dt, city, round_type, amt FROM p WHERE amt IS NOT NULL ORDER BY amt DESC LIMIT 10) UNION ALL SELECT * FROM (SELECT 'lowest' AS side, startup, dt, city, round_type, amt FROM p WHERE amt IS NOT NULL AND amt > 0 ORDER BY amt ASC LIMIT 10)",
        "purpose": "Highest and lowest recorded funding amounts, excluding missing values",
        "source": "raw"
    }
}