Question: who wrote the book indian war of independence 1957
[{'answer': 'Vinayak Damodar Savarkar', 'provenance': [{'wikipedia_id': '18049037', 'title': 'The Indian War of Independence (book)', 'start_paragraph_id': 1, 'start_character': 86, 'end_paragraph_id': 1, 'end_character': 110, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18049037', 'title': 'The Indian War of Independence (book)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 870, 'bleu_score': 0.9861583350689591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16818699754903823357}, 'section': 'Section::::Abstract.'}]}]