Question: when did carson city become the capital of nevada
[{'answer': '1864', 'provenance': [{'wikipedia_id': '7441', 'title': 'Carson City, Nevada', 'start_paragraph_id': 2, 'start_character': 221, 'end_paragraph_id': 2, 'end_character': 225, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7441', 'title': 'Carson City, Nevada', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 730, 'bleu_score': 0.8568401385235881, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5967163589374355083}, 'section': 'Section::::Abstract.'}]}]