Question: who killed hotchner's wife in criminal minds
[{'answer': 'George Foyet', 'provenance': [{'wikipedia_id': '7828145', 'title': 'Aaron Hotchner', 'start_paragraph_id': 2, 'start_character': 275, 'end_paragraph_id': 2, 'end_character': 287, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7828145', 'title': 'Aaron Hotchner', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 287, 'bleu_score': 0.958740481558872, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6110070849956479241}, 'section': 'Section::::Abstract.'}]}]