Question: who wrote my old man's a dustman
[{'answer': 'Lonnie Donegan', 'provenance': [{'wikipedia_id': '651332', 'title': "My Old Man's a Dustman", 'start_paragraph_id': 1, 'start_character': 80, 'end_paragraph_id': 1, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Peter Buchanan', 'provenance': [{'wikipedia_id': '651332', 'title': "My Old Man's a Dustman", 'start_paragraph_id': 3, 'start_character': 40, 'end_paragraph_id': 3, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::Composition.\n'}]}, {'answer': 'Beverly Thorn', 'provenance': [{'wikipedia_id': '651332', 'title': "My Old Man's a Dustman", 'start_paragraph_id': 3, 'start_character': 102, 'end_paragraph_id': 3, 'end_character': 115, 'bleu_score': 1.0, 'section': 'Section::::Composition.\n'}]}]