Question: when was calcutta made the capital of india
[{'answer': '1772', 'provenance': [{'wikipedia_id': '1774390', 'title': 'History of Kolkata', 'start_paragraph_id': 39, 'start_character': 391, 'end_paragraph_id': 39, 'end_character': 395, 'bleu_score': 1.0, 'section': 'Section::::Origins.:Journey from British rule to independence.\n'}]}, {'provenance': [{'wikipedia_id': '1774390', 'title': 'History of Kolkata', 'start_paragraph_id': 39, 'start_character': 0, 'end_paragraph_id': 39, 'end_character': 618, 'bleu_score': 0.936843606802583, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15723813626437629916}, 'section': 'Section::::Origins.:Journey from British rule to independence.\n'}]}]