Question: who killed michael's brother on burn notice
[{'answer': 'Tyler Gray', 'provenance': [{'wikipedia_id': '33026589', 'title': 'Burn Notice (season 6)', 'start_paragraph_id': 3, 'start_character': 1154, 'end_paragraph_id': 3, 'end_character': 1164, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '33026589', 'title': 'Burn Notice (season 6)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 1219, 'bleu_score': 0.9902673503986181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4106739155328712193}, 'section': 'Section::::Cast.\n'}]}]