Question: who played in the ncaa basketball championship 2018
[{'answer': 'Michigan Wolverines', 'provenance': [{'wikipedia_id': '53814466', 'title': "2018 NCAA Division I Men's Basketball Championship Game", 'start_paragraph_id': 1, 'start_character': 349, 'end_paragraph_id': 1, 'end_character': 368, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Villanova Wildcats', 'provenance': [{'wikipedia_id': '53814466', 'title': "2018 NCAA Division I Men's Basketball Championship Game", 'start_paragraph_id': 1, 'start_character': 377, 'end_paragraph_id': 1, 'end_character': 395, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '53814466', 'title': "2018 NCAA Division I Men's Basketball Championship Game", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 490, 'bleu_score': 0.92959410412591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2385853739194913112}, 'section': 'Section::::Abstract.'}]}]