Question: who played george jefferson on all in the family
[{'answer': 'Sherman Hemsley', 'provenance': [{'wikipedia_id': '2918420', 'title': 'George Jefferson', 'start_paragraph_id': 1, 'start_character': 52, 'end_paragraph_id': 1, 'end_character': 67, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2918420', 'title': 'George Jefferson', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 315, 'bleu_score': 0.8983343737277121, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2821108092279186808}, 'section': 'Section::::Abstract.'}]}]