Question: what is the windiest street in san francisco
[{'answer': 'Lombard Street', 'provenance': [{'wikipedia_id': '401334', 'title': 'Lombard Street (San Francisco)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '401334', 'title': 'Lombard Street (San Francisco)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 474, 'bleu_score': 0.795521421110843, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2492812530978724228}, 'section': 'Section::::Abstract.'}]}]