Question: who is the winner of ipl csk vs mi
[{'answer': 'Mumbai Indians', 'provenance': [{'wikipedia_id': '42822838', 'title': 'Chennai Super Kings–Mumbai Indians rivalry', 'start_paragraph_id': 0, 'start_character': 20, 'end_paragraph_id': 0, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '42822838', 'title': 'Chennai Super Kings–Mumbai Indians rivalry', 'start_paragraph_id': 1, 'start_character': 47, 'end_paragraph_id': 1, 'end_character': 415, 'bleu_score': 0.587515240298617, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11962929843801900837}, 'section': 'Section::::Abstract.'}]}]