Question: which is the largest tiger reserve in india
[{'answer': 'Nagarjunsagar - Srisailam Tiger Reserve', 'provenance': [{'wikipedia_id': '19338815', 'title': 'Nagarjunsagar-Srisailam Tiger Reserve', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19338815', 'title': 'Nagarjunsagar-Srisailam Tiger Reserve', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 384, 'bleu_score': 0.7762932712785701, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15389364081426679297}, 'section': 'Section::::Abstract.'}]}]