Question: who was the viceroy of india when delhi became capital
[{'answer': 'Lord Irwin', 'provenance': [{'wikipedia_id': '51585', 'title': 'New Delhi', 'start_paragraph_id': 2, 'start_character': 269, 'end_paragraph_id': 2, 'end_character': 279, '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': 14177446298882248743}, 'section': 'Section::::Abstract.'}]}]