Question: who said a man's got to know his limitations
[{'answer': 'Harry Callahan', 'provenance': [{'wikipedia_id': '705984', 'title': 'Magnum Force', 'start_paragraph_id': 1, 'start_character': 105, 'end_paragraph_id': 1, 'end_character': 119, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]