Question: who is the original singer of every rose has its thorn
[{'answer': 'Bret Michaels', 'provenance': [{'wikipedia_id': '2498833', 'title': 'Every Rose Has Its Thorn', 'start_paragraph_id': 3, 'start_character': 47, 'end_paragraph_id': 3, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Background and writing.\n'}]}, {'provenance': [{'wikipedia_id': '2498833', 'title': 'Every Rose Has Its Thorn', 'start_paragraph_id': 21, 'start_character': 0, 'end_paragraph_id': 21, 'end_character': 56, 'bleu_score': 0.6803749333171201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10529428589816985287}, 'section': 'Section::::Personnel.\n'}]}]