Question: when was the reserve bank of india established
[{'answer': '1 April 1935', 'provenance': [{'wikipedia_id': '277069', 'title': 'Reserve Bank of India', 'start_paragraph_id': 1, 'start_character': 269, 'end_paragraph_id': 1, 'end_character': 281, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]