Question: who has been the wife and mother of a us president
[{'answer': 'Abigail Adams', 'provenance': [{'wikipedia_id': '102745', 'title': 'Abigail Adams', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '102745', 'title': 'Abigail Adams', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 370, 'bleu_score': 0.8448581916970811, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5110942607789161846}, 'section': 'Section::::Abstract.'}]}]