Question: what year did loyola chicago win the national championship
[{'answer': '1963', 'provenance': [{'wikipedia_id': '4380692', 'title': '1963 NCAA University Division Basketball Tournament', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 4, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]