Question: who was the original singer of the song drift away
[{'answer': 'John Henry Kurtz', 'provenance': [{'wikipedia_id': '1707072', 'title': 'Drift Away', 'start_paragraph_id': 1, 'start_character': 85, 'end_paragraph_id': 1, 'end_character': 101, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1707072', 'title': 'Drift Away', 'start_paragraph_id': 1, 'start_character': 62, 'end_paragraph_id': 1, 'end_character': 564, 'bleu_score': 0.661156322234562, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6884080132401282852}, 'section': 'Section::::Abstract.'}]}]