```json { "action": "tool_call", "reasoning": "The question asks for columns, their data types, and meanings for this dataset. The DATASET CARD shows there is one table: 'raw.Largest US Venture Funding Deals Of 2023' with 10 columns. I can see the column names and VARCHAR types in the card, but I need detailed metadata including semantic meanings. I'll use inspect_columns to get the full column metadata including types, semantic roles, and descriptions.", "tool": "inspect_columns", "args": { "table": "Largest US Venture Funding Deals Of 2023" } } ```