Question: why did the british shifted the capital from calcutta to delhi
[{'answer': 'logistically easier', 'provenance': [{'wikipedia_id': '51585', 'title': 'New Delhi', 'start_paragraph_id': 7, 'start_character': 426, 'end_paragraph_id': 7, 'end_character': 445, 'bleu_score': 1.0, 'section': 'Section::::History.:Establishment.\n'}]}, {'provenance': [{'wikipedia_id': '51585', 'title': 'New Delhi', 'start_paragraph_id': 7, 'start_character': 4, 'end_paragraph_id': 7, 'end_character': 518, 'bleu_score': 0.9592693508045681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 389990966584620517}, 'section': 'Section::::History.:Establishment.\n'}]}]