Question: who thought the sun was the center of the solar system
[{'answer': 'Nicolaus Copernicus', 'provenance': [{'wikipedia_id': '35223708', 'title': 'History of the center of the Universe', 'start_paragraph_id': 2, 'start_character': 566, 'end_paragraph_id': 2, 'end_character': 585, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '35223708', 'title': 'History of the center of the Universe', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 718, 'bleu_score': 0.8179339888229401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11454975286130223451}, 'section': 'Section::::Abstract.'}]}]