Question: what is the name of michigan's football stadium
[{'answer': 'Michigan Stadium', 'provenance': [{'wikipedia_id': '926381', 'title': 'Michigan Stadium', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': "nicknamed `` The Big House ''"}, {'provenance': [{'wikipedia_id': '926381', 'title': 'Michigan Stadium', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 325, 'bleu_score': 0.963949056609222, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9273260713717904736}, 'section': 'Section::::Abstract.'}]}]