I need to provide a comprehensive list of all columns across all tables in this dataset, with their data types and meanings. The evidence so far shows only a subset (50 rows) from what appears to be an inspect_columns call. I need to get the complete picture. Let me query the metadata to get all columns across all tables: ```json { "action": "tool_call", "reasoning": "The evidence shows only 50 rows from a partial column listing. To provide a complete answer about all columns, their types, and meanings, I need to query the full column metadata catalog. The meta.columns table contains this information with phys_type (data type), semantic_role (what it means), and rough_kind (category of data).", "tool": "query_sql", "args": { "sql": "SELECT table_name, column_name, phys_type AS data_type, semantic_role, rough_kind FROM meta.columns ORDER BY table_name, column_name", "purpose": "Get complete list of all columns with their data types and semantic meanings" } } ```