Question: who sings it's still rock and roll to me
[{'answer': 'Billy Joel', 'provenance': [{'wikipedia_id': '12110072', 'title': "It's Still Rock and Roll to Me", 'start_paragraph_id': 1, 'start_character': 65, 'end_paragraph_id': 1, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12110072', 'title': "It's Still Rock and Roll to Me", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 502, 'bleu_score': 0.9405757583550861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8165100967996674622}, 'section': 'Section::::Abstract.'}]}]