Question: which artist is representative of the detroit blues style
[{'answer': 'John Lee Hooker', 'provenance': [{'wikipedia_id': '171924', 'title': 'Detroit blues', 'start_paragraph_id': 2, 'start_character': 62, 'end_paragraph_id': 2, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '171924', 'title': 'Detroit blues', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 272, 'bleu_score': 0.955027111100031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6592271000036241660}, 'section': 'Section::::Abstract.'}]}]