Question: when did michigan become a state in the usa
[{'answer': 'January 26 , 1837', 'provenance': [{'wikipedia_id': '18859', 'title': 'Michigan', 'start_paragraph_id': 22, 'start_character': 390, 'end_paragraph_id': 22, 'end_character': 407, 'bleu_score': 1.0, 'section': 'Section::::History.:19th century.\n'}]}]