Question: which is the largest artificial lake in india
[{'answer': 'Govind Ballabh Pant Sagar', 'provenance': [{'wikipedia_id': '2343744', 'title': 'Dhebar Lake', 'start_paragraph_id': 1, 'start_character': 92, 'end_paragraph_id': 1, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2343744', 'title': 'Dhebar Lake', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 967, 'bleu_score': 0.7914255087144121, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18269177606979838058}, 'section': 'Section::::Abstract.'}]}]