```json { "action": "tool_call", "reasoning": "The question asks for all columns in the dataset, their types, and meanings. The card says 'COLUMN OWNERSHIP: not listed here (69 columns across 1 tables exceeds the card budget) — call inspect_columns(<table>) to get a table's exact columns'. The dataset has one table: raw.benchmarks. I'll call inspect_columns on it to get the complete column list with types and descriptions.", "tool": "inspect_columns", "args": { "table": "raw.benchmarks" } } ```