Question: when was the first sherlock holmes book published
[{'answer': '1887', 'provenance': [{'wikipedia_id': '27159', 'title': 'Sherlock Holmes', 'start_paragraph_id': 2, 'start_character': 28, 'end_paragraph_id': 2, 'end_character': 32, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27159', 'title': 'Sherlock Holmes', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 651, 'bleu_score': 0.9583546176158331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14763224516094070447}, 'section': 'Section::::Abstract.'}]}]