Question: who came up with alvin and the chipmunks
[{'answer': 'Ross Bagdasarian , Sr.'}, {'provenance': [{'wikipedia_id': '355901', 'title': 'Alvin and the Chipmunks', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 861, 'bleu_score': 0.9156775199536591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9975817376356448886}, 'section': 'Section::::Abstract.'}]}]