{
    "action": "tool_call",
    "reasoning": "No evidence is visible this turn, so I'll re-ground the grouping answer in queries. First, deals by year. The Date column is VARCHAR, so I'll parse it safely with TRY_STRPTIME.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT EXTRACT(year FROM TRY_STRPTIME(TRIM(REPLACE(\"Date dd/mm/yyyy\", CHR(194)||CHR(160), '')), '%d/%m/%Y')) AS deal_year, COUNT(*) AS deals FROM raw.startup_funding GROUP BY 1 ORDER BY 1",
        "purpose": "Deal counts by year to test whether time is a usable grouping",
        "source": "raw"
    }
}