Question: when was gangtok made the capital of sikkim
[{'answer': '1947', 'provenance': [{'wikipedia_id': '1344726', 'title': 'Gangtok', 'start_paragraph_id': 2, 'start_character': 423, 'end_paragraph_id': 2, 'end_character': 427, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1344726', 'title': 'Gangtok', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 605, 'bleu_score': 0.979896933041101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16290377899595357334}, 'section': 'Section::::Abstract.'}]}]