```json { "action": "tool_call", "reasoning": "To suggest the most interesting analytical questions this dataset can answer, I need to understand what the dataset contains beyond the basic card. The 'overview' insight section will provide narrative context about what this dataset represents, its business purpose, and key analytical opportunities. This will ground my suggestions in what the data actually supports rather than generic possibilities.", "tool": "read_insight", "args": { "section": "overview" } } ```