Question: how many world heritage sites are there in maharashtra
[{'answer': '6', 'provenance': [{'wikipedia_id': '19243417', 'title': 'List of World Heritage Sites in India', 'start_paragraph_id': 4, 'start_character': 213, 'end_paragraph_id': 4, 'end_character': 214, 'bleu_score': 1.0, 'section': 'Section::::List of heritage sites.\n'}]}]