Question: when did george gershwin write rhapsody in blue
[{'answer': '1924', 'provenance': [{'wikipedia_id': '152506', 'title': 'Rhapsody in Blue', 'start_paragraph_id': 1, 'start_character': 22, 'end_paragraph_id': 1, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '152506', 'title': 'Rhapsody in Blue', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 189, 'bleu_score': 0.878714225477435, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2229403150171433259}, 'section': 'Section::::Abstract.'}]}]