```json { "action": "tool_call", "reasoning": "The question asks for columns, their data types, and meanings. The dataset card shows raw.Iris has 10 columns with types listed, but I need the semantic meanings/descriptions for each column. I'll use inspect_columns to get detailed metadata including semantic roles and descriptions for all columns in the Iris table.", "tool": "inspect_columns", "args": { "table": "Iris" } } ```