Question: when did salt lake city become the capital of utah
[{'answer': '1858'}, {'provenance': [{'wikipedia_id': '53837', 'title': 'Salt Lake City', 'start_paragraph_id': 9, 'start_character': 4, 'end_paragraph_id': 9, 'end_character': 571, 'bleu_score': 0.813412435368098, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7214962022231078350}, 'section': 'Section::::History.\n'}]}]