Question: shimla is built on the top of how many hills
[{'answer': 'seven', 'provenance': [{'wikipedia_id': '550769', 'title': 'Shimla', 'start_paragraph_id': 16, 'start_character': 142, 'end_paragraph_id': 16, 'end_character': 147, 'bleu_score': 1.0, 'section': 'Section::::Geography.\n'}]}, {'provenance': [{'wikipedia_id': '550769', 'title': 'Shimla', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 416, 'bleu_score': 0.665301851945712, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3615573260412718658}, 'section': 'Section::::Geography.\n'}]}]