Question: when was delhi made the capital of british rule in india
[{'answer': '1931', 'provenance': [{'wikipedia_id': '51585', 'title': 'New Delhi', 'start_paragraph_id': 2, 'start_character': 222, 'end_paragraph_id': 2, 'end_character': 226, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '51585', 'title': 'New Delhi', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 279, 'bleu_score': 0.852068716273483, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12153090528635309886}, 'section': 'Section::::Abstract.'}]}]