Question: who played mr lucas on are you being served
[{'answer': 'Trevor Gordon Bannister', 'provenance': [{'wikipedia_id': '1282125', 'title': 'Trevor Bannister', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1282125', 'title': 'Trevor Bannister', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 335, 'bleu_score': 0.9114434865990401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15305476993087833030}, 'section': 'Section::::Abstract.'}]}]