Question: what was the highest unemployment rate in us history
[{'answer': 'as high as 25 %', 'provenance': [{'wikipedia_id': '28688759', 'title': 'Unemployment in the United States', 'start_paragraph_id': 32, 'start_character': 288, 'end_paragraph_id': 32, 'end_character': 309, 'bleu_score': 1.0, 'section': 'Section::::U.S. employment history.\n'}]}, {'provenance': [{'wikipedia_id': '28688759', 'title': 'Unemployment in the United States', 'start_paragraph_id': 32, 'start_character': 0, 'end_paragraph_id': 32, 'end_character': 984, 'bleu_score': 0.9875383322810981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7875387577507055486}, 'section': 'Section::::U.S. employment history.\n'}]}]