Question: what is the name of michigan's mascot
[{'answer': 'BLUE', 'provenance': [{'wikipedia_id': '16623896', 'title': 'Biff, the Michigan Wolverine', 'start_paragraph_id': 2, 'start_character': 781, 'end_paragraph_id': 2, 'end_character': 785, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16623896', 'title': 'Biff, the Michigan Wolverine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 373, 'bleu_score': 0.9541848015989721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12828896777885772386}, 'section': 'Section::::Abstract.'}]}]