Question: who organized the march on washington in 1963
[{'answer': 'A. Philip Randolph', 'provenance': [{'wikipedia_id': '255046', 'title': 'March on Washington for Jobs and Freedom', 'start_paragraph_id': 2, 'start_character': 27, 'end_paragraph_id': 2, 'end_character': 45, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Bayard Rustin', 'provenance': [{'wikipedia_id': '255046', 'title': 'March on Washington for Jobs and Freedom', 'start_paragraph_id': 2, 'start_character': 50, 'end_paragraph_id': 2, 'end_character': 63, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '255046', 'title': 'March on Washington for Jobs and Freedom', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 472, 'bleu_score': 0.928680631194693, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5304005053158591702}, 'section': 'Section::::Abstract.'}]}]