{
    "action": "tool_call",
    "reasoning": "I will query the analytics.column_overview table to get the list of columns, their physical data types, and their semantic roles/meanings for one of the monthly tables, as they all share the same schema.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT column_name, phys_type, semantic_role, rough_kind FROM analytics.column_overview WHERE table_name = 'Indian Startups _ Funding  Investors Data January 2022'",
        "purpose": "Get column names, types, and meanings",
        "source": "raw"
    }
}