{
    "action": "tool_call",
    "reasoning": "To identify the most interesting analytical questions, I need to understand what dimensions and measures are available across all tables, not just sales_pipeline. I should inspect the other key tables (accounts, products, sales_teams) to see what analytical angles they enable. Let me start with accounts to understand customer segmentation possibilities.",
    "tool": "inspect_columns",
    "args": {
        "table": "accounts"
    }
}