Question: ragtime is a blend of what two musical styles
[{'answer': 'march style', 'provenance': [{'wikipedia_id': '26553', 'title': 'Ragtime', 'start_paragraph_id': 6, 'start_character': 39, 'end_paragraph_id': 6, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::History.:Origins of ragtime.\n'}]}, {'answer': 'African music', 'provenance': [{'wikipedia_id': '26553', 'title': 'Ragtime', 'start_paragraph_id': 6, 'start_character': 125, 'end_paragraph_id': 6, 'end_character': 138, 'bleu_score': 1.0, 'section': 'Section::::History.:Origins of ragtime.\n'}]}]