Question: who died in the hound of the baskervilles
[{'answer': 'Sir Charles Baskerville', 'provenance': [{'wikipedia_id': '30280', 'title': 'The Hound of the Baskervilles', 'start_paragraph_id': 4, 'start_character': 68, 'end_paragraph_id': 4, 'end_character': 91, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}]