{"database": "rubrics", "table": "rubric_calibration_events", "rows": [[38, "deepseek-v4-pro", 253, 254, "B", 1, 11771, "2026-05-26 02:37:14", null, null, "evidence_quality", "clearly", 1, "Response B includes a specific citation and data (elephants having less than 1% of natural range) and acknowledges a counterargument, while Response A uses only broad, unsupported claims."]], "columns": ["id", "teacher_id", "gradation_id_a", "gradation_id_b", "teacher_choice", "correct", "response_time_ms", "created_at", "confidence", "perceived_difficulty", "influential_feature", "margin", "rubric_version", "reasoning"], "primary_keys": ["id"], "primary_key_values": ["38"], "units": {}, "query_ms": 0.6393678486347198}