Question: who does george date in grey's anatomy
[{'answer': 'Callie Torres', 'provenance': [{'wikipedia_id': '7687024', 'title': "George O'Malley", 'start_paragraph_id': 1, 'start_character': 639, 'end_paragraph_id': 1, 'end_character': 652, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Meredith Grey', 'provenance': [{'wikipedia_id': '7687024', 'title': "George O'Malley", 'start_paragraph_id': 1, 'start_character': 464, 'end_paragraph_id': 1, 'end_character': 477, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Olivia Harper', 'provenance': [{'wikipedia_id': '7687024', 'title': "George O'Malley", 'start_paragraph_id': 1, 'start_character': 814, 'end_paragraph_id': 1, 'end_character': 827, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7687024', 'title': "George O'Malley", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 844, 'bleu_score': 0.8904199321988701, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18045835086543083234}, 'section': 'Section::::Abstract.'}]}]