Question: who sang the song coat of many colors
[{'answer': 'Dolly Parton', 'provenance': [{'wikipedia_id': '8367718', 'title': 'Coat of Many Colors (song)', 'start_paragraph_id': 1, 'start_character': 86, 'end_paragraph_id': 1, 'end_character': 98, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8367718', 'title': 'Coat of Many Colors (song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 292, 'bleu_score': 0.962600167205617, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16638694770431227063}, 'section': 'Section::::Abstract.'}]}]