{
    "action": "tool_call",
    "reasoning": "Get deals per year by parsing the VARCHAR date column, stripping non-breaking spaces, to find the real covered period and any anomalous years.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT EXTRACT(year FROM d) AS yr, COUNT(*) AS deals, MIN(d) AS first_date, MAX(d) AS last_date FROM (SELECT TRY_STRPTIME(REPLACE(\"Date dd/mm/yyyy\", chr(160), ''), '%d/%m/%Y') AS d FROM raw.startup_funding) WHERE d IS NOT NULL GROUP BY 1 ORDER BY 1",
        "purpose": "Deals per year to find the real covered period and identify anomalous years",
        "source": "raw"
    }
}