Question: when was the first winnie the pooh book written
[{'answer': '1926', 'provenance': [{'wikipedia_id': '320890', 'title': 'Winnie-the-Pooh (book)', 'start_paragraph_id': 1, 'start_character': 17, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '320890', 'title': 'Winnie-the-Pooh (book)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 604, 'bleu_score': 0.8718603074648271, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10257723210854637718}, 'section': 'Section::::Abstract.'}]}]