Question: who played the father on my three sons
[{'answer': 'Fred MacMurray', 'provenance': [{'wikipedia_id': '174002', 'title': 'My Three Sons', 'start_paragraph_id': 1, 'start_character': 228, 'end_paragraph_id': 1, 'end_character': 242, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '174002', 'title': 'My Three Sons', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 271, 'bleu_score': 0.8773817858184171, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3193831229423152339}, 'section': 'Section::::Abstract.'}]}]