Question: who sings vocals on dirty work by steely dan
[{'answer': 'Donald Fagen', 'provenance': [{'wikipedia_id': '47292765', 'title': 'Dirty Work (Steely Dan song)', 'start_paragraph_id': 1, 'start_character': 34, 'end_paragraph_id': 1, 'end_character': 46, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Walter Becker', 'provenance': [{'wikipedia_id': '47292765', 'title': 'Dirty Work (Steely Dan song)', 'start_paragraph_id': 1, 'start_character': 51, 'end_paragraph_id': 1, 'end_character': 64, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Jim Hodder', 'provenance': [{'wikipedia_id': '47292765', 'title': 'Dirty Work (Steely Dan song)', 'start_paragraph_id': 16, 'start_character': 12, 'end_paragraph_id': 16, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Personnel.\n'}]}, {'answer': 'David Palmer', 'provenance': [{'wikipedia_id': '47292765', 'title': 'Dirty Work (Steely Dan song)', 'start_paragraph_id': 6, 'start_character': 66, 'end_paragraph_id': 6, 'end_character': 78, 'bleu_score': 1.0, 'section': 'Section::::Style and arrangement.\n'}]}]