{"database": "rubrics", "table": "rubric_calibration_events", "rows": [[28, "deepseek-v4-pro", 88, 87, "A", 1, 19434, "2026-05-26 02:34:03", null, null, "evidence_quality", "clearly", 1, "Response A demonstrates a more sophisticated evaluation of evidence by identifying a credibility gap (specific data early vs. vague attributions later) and an unresolved tension between paragraphs, while Response B merely analyzes a single framing detail. This deeper critique of how evidence quality varies within the text makes A clearly superior."]], "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": ["28"], "units": {}, "query_ms": 0.7539382204413414}