Question: who played the music producer in pitch perfect 2
[{'answer': 'Keegan - Michael Key', 'provenance': [{'wikipedia_id': '41890130', 'title': 'Pitch Perfect 2', 'start_paragraph_id': 35, 'start_character': 12, 'end_paragraph_id': 35, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::Cast.:Additional characters.\n'}]}, {'provenance': [{'wikipedia_id': '41890130', 'title': 'Pitch Perfect 2', 'start_paragraph_id': 35, 'start_character': 0, 'end_paragraph_id': 35, 'end_character': 101, 'bleu_score': 0.8781879837907131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5008572415093252744}, 'section': 'Section::::Cast.:Additional characters.\n'}]}, {'provenance': [{'wikipedia_id': '41890130', 'title': 'Pitch Perfect 2', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5008572415093252744}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '41890130', 'title': 'Pitch Perfect 2', 'section': 'Section::::Cast.:Additional characters.\n', 'start_paragraph_id': 35, 'end_paragraph_id': 35, 'meta': {'evidence_span': ["Keegan-Michael Key as Sammy, Beca's boss at Residual Heat, a rude but successful producer.", "Keegan-Michael Key as Sammy, Beca's boss at Residual Heat, a rude but successful producer.", "Keegan-Michael Key as Sammy, Beca's boss at Residual Heat, a rude but successful producer."]}}]}]