Question: what effect did the great depression have on the unemployment rate
[{'answer': 'high unemployment', 'provenance': [{'wikipedia_id': '2685269', 'title': 'Great Depression in the United States', 'start_paragraph_id': 1, 'start_character': 482, 'end_paragraph_id': 1, 'end_character': 499, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2685269', 'title': 'Great Depression in the United States', 'start_paragraph_id': 1, 'start_character': 10, 'end_paragraph_id': 1, 'end_character': 710, 'bleu_score': 0.745920728347053, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7932003087923004341}, 'section': 'Section::::Abstract.'}]}]