Question: who sings the song practice what you preach
[{'answer': 'singer Barry White', 'provenance': [{'wikipedia_id': '7164691', 'title': 'Practice What You Preach (Barry White song)', 'start_paragraph_id': 1, 'start_character': 70, 'end_paragraph_id': 1, 'end_character': 88, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7164691', 'title': 'Practice What You Preach (Barry White song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 396, 'bleu_score': 0.97451705556073, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15385181842039202786}, 'section': 'Section::::Abstract.'}]}]