```json { "action": "tool_call", "reasoning": "The overview gives high-level context (a single table, 216 rows, likely a time-stamped analytics extract), but to answer what a single row represents I need to see the actual column structure and a few sample rows. The card lists 14 columns including 'Day', 'Total Calls', 'AI Handled', 'Human Handled', 'Voicemail', and resolution percentages, which suggests daily call center metrics. I'll query a few rows to confirm the grain and content.", "tool": "query_sql", "args": { "sql": "SELECT Day, \"Total Calls\", \"AI Handled\", \"Human Handled\", Voicemail, \"AI Resolution %\", \"Human %\", _ingestion_timestamp FROM raw.callyeah_analytics_2026_07_23 ORDER BY Day LIMIT 10", "purpose": "Examine sample rows to determine what a single row represents and confirm the dataset's grain", "source": "raw" } } ```