Question: who composed the national march for the united states of america in 1896
[{'answer': 'John Philip Sousa', 'provenance': [{'wikipedia_id': '666918', 'title': 'The Stars and Stripes Forever', 'start_paragraph_id': 1, 'start_character': 88, 'end_paragraph_id': 1, 'end_character': 105, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]