```json { "action": "tool_call", "reasoning": "The dataset card shows all columns are VARCHAR type, but many appear to contain numeric data (percentages like '1.51%..9.57%'). I need to first inspect the actual columns to understand their structure and identify which ones contain numeric values that can be analyzed. I'll start by inspecting the raw table to see the actual data types and sample values.", "tool": "inspect_columns", "args": { "table": "raw.polling_on_ai_usage_jul_2026" } } ```