{"database": "rubrics", "table": "rubric_calibration_events", "rows": [[26, "deepseek-v4-pro", 86, 85, "A", 1, 13493, "2026-05-26 02:33:30", null, null, "evidence_quality", "clearly", 1, "Response A directly quotes specific textual evidence and explains its significance, while Response B only makes general claims without citing any concrete details from the article."]], "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": ["26"], "units": {}, "query_ms": 0.5730492994189262}