Question: who plays the best man in my best friend's wedding
[{'answer': 'Christopher Masterson', 'provenance': [{'wikipedia_id': '277148', 'title': "My Best Friend's Wedding", 'start_paragraph_id': 25, 'start_character': 12, 'end_paragraph_id': 25, 'end_character': 33, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '277148', 'title': "My Best Friend's Wedding", 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 189, 'bleu_score': 0.9383861709333501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17708226888080541929}, 'section': 'Section::::Cast.\n'}]}]