Question: when did sault ste marie became a city
[{'answer': '1912', 'provenance': [{'wikipedia_id': '33657371', 'title': 'Sault Ste. Marie, Ontario', 'start_paragraph_id': 13, 'start_character': 75, 'end_paragraph_id': 13, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '33657371', 'title': 'Sault Ste. Marie, Ontario', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 243, 'bleu_score': 0.953991849837532, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11926713576684556440}, 'section': 'Section::::History.\n'}]}]