Question: who sings the song and the beat goes on
[{'answer': 'Sonny & Cher', 'provenance': [{'wikipedia_id': '4385348', 'title': 'The Beat Goes On (Sonny & Cher song)', 'start_paragraph_id': 1, 'start_character': 111, 'end_paragraph_id': 1, 'end_character': 123, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4385348', 'title': 'The Beat Goes On (Sonny & Cher song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 293, 'bleu_score': 0.9362597875749381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9421242204685975399}, 'section': 'Section::::Abstract.'}]}]