Question: when was the wonderful wizard of oz written
[{'answer': 'May 17 , 1900', 'provenance': [{'wikipedia_id': '54436', 'title': 'The Wonderful Wizard of Oz', 'start_paragraph_id': 5, 'start_character': 173, 'end_paragraph_id': 5, 'end_character': 186, 'bleu_score': 1.0, 'section': 'Section::::Publication.\n'}]}, {'provenance': [{'wikipedia_id': '54436', 'title': 'The Wonderful Wizard of Oz', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 404, 'bleu_score': 0.8512539374491711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8809434875070292378}, 'section': 'Section::::Abstract.'}]}]