```json { "action": "tool_call", "reasoning": "The user wants to see representative sample rows from the dataset. The dataset has 43 tables with over 2 million rows total. I should show samples from the largest/most important tables. From step-1, I can see the top tables by row count: columns_catalog (1.5M), job_logs (303K), llm_calls (49K), column_tags (43K), tag_lineage_edges (42K), tables_catalog (19K), etc. I'll query a few diverse rows from the largest table (columns_catalog) to give a representative view of the dataset's content.", "tool": "query_sql", "args": { "sql": "SELECT * FROM raw.columns_catalog LIMIT 10", "purpose": "Get representative sample rows from the largest table in the dataset" } } ```