Question: who dies in the sixth harry potter book
[{'answer': 'Dumbledore', 'provenance': [{'wikipedia_id': '2270723', 'title': 'Harry Potter and the Half-Blood Prince', 'start_paragraph_id': 1, 'start_character': 396, 'end_paragraph_id': 1, 'end_character': 406, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2270723', 'title': 'Harry Potter and the Half-Blood Prince', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 538, 'bleu_score': 0.8592677283165301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 320537146960602981}, 'section': 'Section::::Plot.\n'}]}]