<invoke name="tool_call"> <parameter name="reasoning">Profile columns (type, nulls, distinct counts) to decide which pairs can be related; the table is mostly categorical with one text-typed amount.</parameter> <parameter name="tool">query_sql</parameter> <parameter name="args">{"sql": "SELECT column_name, phys_type, semantic_role, null_count, distinct_count, uniqueness_score, min_value, max_value FROM analytics.column_overview WHERE table_name = 'startup_funding'", "purpose": "Profile columns to identify candidate related pairs"}</parameter> </invoke>