Question: where is hill valley in back to the future
[{'answer': 'California', 'provenance': [{'wikipedia_id': '362059', 'title': 'Hill Valley (Back to the Future)', 'start_paragraph_id': 1, 'start_character': 37, 'end_paragraph_id': 1, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '362059', 'title': 'Hill Valley (Back to the Future)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 439, 'bleu_score': 0.9087701224825541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3032220396636713201}, 'section': 'Section::::Abstract.'}]}]