Question: who killed fortunato in the cask of amontillado
[{'answer': 'Montresor', 'provenance': [{'wikipedia_id': '317934', 'title': 'The Cask of Amontillado', 'start_paragraph_id': 3, 'start_character': 22, 'end_paragraph_id': 3, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Plot summary.\n'}]}, {'provenance': [{'wikipedia_id': '317934', 'title': 'The Cask of Amontillado', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 359, 'bleu_score': 0.9663744727315161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12750423223225983088}, 'section': 'Section::::Plot summary.\n'}]}]