```json { "action": "tool_call", "reasoning": "The question asks for a classification of all columns across the dataset. The dataset card shows 98 columns across 5 tables but states 'COLUMN OWNERSHIP: not listed here... call inspect_columns(<table>) to get a table's exact columns'. I need to inspect each table to get the complete column list with their types and semantic roles. I'll start with the first table.", "tool": "inspect_columns", "args": { "table": "matches_1930_2022" } } ```