Question: who did jimmy perry play in dads army
[{'answer': 'the entertainer Charlie Cheeseman', 'provenance': [{'wikipedia_id': '2341385', 'title': 'Jimmy Perry', 'start_paragraph_id': 13, 'start_character': 498, 'end_paragraph_id': 13, 'end_character': 531, 'bleu_score': 1.0, 'section': 'Section::::Comedy writer.:"Dad\'s Army".\n'}]}]