Question: when did columbus became ohio's state capital
[{'answer': '1816', 'provenance': [{'wikipedia_id': '5950', 'title': 'Columbus, Ohio', 'start_paragraph_id': 2, 'start_character': 318, 'end_paragraph_id': 2, 'end_character': 322, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5950', 'title': 'Columbus, Ohio', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 322, 'bleu_score': 0.74216083416456, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3897939657225308679}, 'section': 'Section::::Abstract.'}]}]