Question: what was bill cosby's job in the cosby show
[{'answer': 'doctor', 'provenance': [{'wikipedia_id': '46220147', 'title': 'Cliff Huxtable', 'start_paragraph_id': 3, 'start_character': 324, 'end_paragraph_id': 3, 'end_character': 330, 'bleu_score': 1.0, 'section': 'Section::::Conception and development.\n'}]}, {'provenance': [{'wikipedia_id': '46220147', 'title': 'Cliff Huxtable', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 330, 'bleu_score': 0.9657992495762461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7522561379617605236}, 'section': 'Section::::Conception and development.\n'}]}]