Question: who died in the band alice in chains
[{'answer': 'Layne Staley', 'provenance': [{'wikipedia_id': '50214', 'title': 'Alice in Chains', 'start_paragraph_id': 1, 'start_character': 232, 'end_paragraph_id': 1, 'end_character': 244, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50214', 'title': 'Alice in Chains', 'start_paragraph_id': 1, 'start_character': 43, 'end_paragraph_id': 1, 'end_character': 492, 'bleu_score': 0.751343329153315, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1529331538199660283}, 'section': 'Section::::Abstract.'}]}]