Question: who played mr grace in are you being served
[{'answer': 'Harold Bennett', 'provenance': [{'wikipedia_id': '294195', 'title': 'Harold Bennett', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '294195', 'title': 'Harold Bennett', 'start_paragraph_id': 1, 'start_character': 41, 'end_paragraph_id': 1, 'end_character': 220, 'bleu_score': 0.6741828005843541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10261036505679469260}, 'section': 'Section::::Abstract.'}]}]