{
    "action": "tool_call",
    "reasoning": "Check Stage distribution across all five monthly tables as a candidate segmentation; one UNION query.",
    "tool": "query_sql",
    "args": {
        "sql": "WITH u AS (SELECT 'Jan' m, Stage, Sector, Location FROM raw.\"Indian Startups _ Funding  Investors Data January 2022\" UNION ALL SELECT 'Feb', Stage, Sector, Location FROM raw.\"Indian Startups _ Funding  Investors Data February 2022\" UNION ALL SELECT 'Mar', Stage, Sector, Location FROM raw.\"Indian Startups _ Funding  Investors Data March 2022\" UNION ALL SELECT 'Apr', Stage, Sector, Location FROM raw.\"Indian Startups _ Funding  Investors Data April 2022\" UNION ALL SELECT 'May', Stage, Sector, Location FROM raw.\"Indian Startups _ Funding  Investors Data May 2022\") SELECT Stage, COUNT(*) n FROM u GROUP BY Stage ORDER BY n DESC LIMIT 20",
        "purpose": "Stage distribution across all months",
        "source": "raw"
    }
}