Question: who won the men's ncaa hockey tournament
[{'answer': 'Minnesota - Duluth', 'provenance': [{'wikipedia_id': '46297142', 'title': "2018 NCAA Division I Men's Ice Hockey Tournament", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '46297142', 'title': "2018 NCAA Division I Men's Ice Hockey Tournament", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 76, 'bleu_score': 0.6301908555923861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1128388511950068488}, 'section': 'Section::::Abstract.'}]}]