Question: who wrote the original story of the nutcracker
[{'answer': 'German author E.T.A. Hoffmann'}, {'provenance': [{'wikipedia_id': '7533788', 'title': 'The Nutcracker and the Mouse King', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 482, 'bleu_score': 0.793803905758496, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2850015394785659926}, 'section': 'Section::::Abstract.'}]}]