Question: who sings the heart of rock and roll
[{'answer': 'Huey Lewis and the News', 'provenance': [{'wikipedia_id': '22060525', 'title': 'The Heart of Rock & Roll', 'start_paragraph_id': 1, 'start_character': 50, 'end_paragraph_id': 1, 'end_character': 73, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22060525', 'title': 'The Heart of Rock & Roll', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 202, 'bleu_score': 0.948006874591591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16819976116099724152}, 'section': 'Section::::Abstract.'}]}]