Question: when was the hound of the baskervilles published
[{'answer': '1902', 'provenance': [{'wikipedia_id': '30280', 'title': 'The Hound of the Baskervilles', 'start_paragraph_id': 1, 'start_character': 216, 'end_paragraph_id': 1, 'end_character': 220, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]