Question: how long would it take to walk from san francisco to new york
[{'answer': '85 days', 'provenance': [{'wikipedia_id': '20671912', 'title': 'List of people who have walked across the United States', 'start_paragraph_id': 32, 'start_character': 119, 'end_paragraph_id': 32, 'end_character': 126, 'bleu_score': 1.0, 'section': 'Section::::Barbara Moore.\n'}]}, {'provenance': [{'wikipedia_id': '20671912', 'title': 'List of people who have walked across the United States', 'start_paragraph_id': 32, 'start_character': 0, 'end_paragraph_id': 32, 'end_character': 180, 'bleu_score': 0.8418243449361871, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6902934008995267307}, 'section': 'Section::::Barbara Moore.\n'}]}]