Question: is sacramento located in a valley or in a mountainous region
[{'answer': 'Valley', 'provenance': [{'wikipedia_id': '23776229', 'title': 'List of regions of California', 'start_paragraph_id': 8, 'start_character': 20, 'end_paragraph_id': 8, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Northern California.:Central California.\n'}]}]