Question: who sang rock and roll is here to stay
[{'answer': 'Danny & the Juniors', 'provenance': [{'wikipedia_id': '1390290', 'title': 'Danny & the Juniors', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1390290', 'title': 'Danny & the Juniors', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 272, 'bleu_score': 0.744136273009065, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8786164988815762199}, 'section': 'Section::::Abstract.'}]}]