Question: what is the most popular music in the usa
[{'answer': 'Hip hop / pop combination', 'provenance': [{'wikipedia_id': '2585958', 'title': 'American popular music', 'start_paragraph_id': 90, 'start_character': 0, 'end_paragraph_id': 90, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::2000s.\n'}]}, {'provenance': [{'wikipedia_id': '2585958', 'title': 'American popular music', 'start_paragraph_id': 90, 'start_character': 0, 'end_paragraph_id': 90, 'end_character': 251, 'bleu_score': 0.9517713210466091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18097590545998791543}, 'section': 'Section::::2000s.\n'}]}]