Question: who dies in season 6 episode 1 of grey's anatomy
[{'answer': "Dr. George O'Malley", 'provenance': [{'wikipedia_id': '32089326', 'title': "Good Mourning (Grey's Anatomy)", 'start_paragraph_id': 1, 'start_character': 459, 'end_paragraph_id': 1, 'end_character': 478, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '32089326', 'title': "Good Mourning (Grey's Anatomy)", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 838, 'bleu_score': 0.9480485738483061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14156002259982621333}, 'section': 'Section::::Abstract.'}]}]