Question: who is the original singer of i will always love you dolly parton
[{'answer': 'Dolly Parton', 'provenance': [{'wikipedia_id': '1815726', 'title': 'I Will Always Love You', 'start_paragraph_id': 1, 'start_character': 105, 'end_paragraph_id': 1, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1815726', 'title': 'I Will Always Love You', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 331, 'bleu_score': 0.9084940438173671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9494735877920323248}, 'section': 'Section::::Abstract.'}]}]