I need to identify the most important numeric metric in this dataset and show its extreme values. Let me start by understanding what numeric metrics are available. {"action": "tool_call", "reasoning": "The overview shows beer_ratings is the dominant table with 14.3M rows (85% of data). I need to see what numeric columns exist in this table to identify the most important metric.", "tool": "inspect_columns", "args": {"table": "beer_ratings"}}