Question: the group of ww1 veterans who marched on washington in 1932 was called the
[{'answer': 'The Bonus Army', 'provenance': [{'wikipedia_id': '399959', 'title': 'Bonus Army', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '399959', 'title': 'Bonus Army', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 491, 'bleu_score': 0.8641317431470491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3944843672490628703}, 'section': 'Section::::Abstract.'}]}]