Question: who played potter in its a wonderful life
[{'answer': 'Lionel Barrymore', 'provenance': [{'wikipedia_id': '5675046', 'title': 'Mr. Potter', 'start_paragraph_id': 1, 'start_character': 400, 'end_paragraph_id': 1, 'end_character': 416, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5675046', 'title': 'Mr. Potter', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 416, 'bleu_score': 0.972782728923768, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4011532836347717149}, 'section': 'Section::::Abstract.'}]}]