Question: who played mary on its a wonderful life
[{'answer': 'Donna Reed', 'provenance': [{'wikipedia_id': '60164', 'title': "It's a Wonderful Life", 'start_paragraph_id': 74, 'start_character': 52, 'end_paragraph_id': 74, 'end_character': 62, 'bleu_score': 1.0, 'section': 'Section::::Production.:Background.\n'}]}, {'provenance': [{'wikipedia_id': '60164', 'title': "It's a Wonderful Life", 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 36, 'bleu_score': 0.51697315395717, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1269104378264324507}, 'section': 'Section::::Cast.:Credited.\n'}]}]