Question: who is still living from the cast of are you being served
[{'answer': 'Mike Berry', 'provenance': [{'wikipedia_id': '89857', 'title': 'Are You Being Served?', 'start_paragraph_id': 35, 'start_character': 29, 'end_paragraph_id': 35, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Characters and casting.:Main characters.\n'}]}, {'answer': 'Candy Davis', 'provenance': [{'wikipedia_id': '89857', 'title': 'Are You Being Served?', 'start_paragraph_id': 40, 'start_character': 28, 'end_paragraph_id': 40, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Characters and casting.:Main characters.\n'}]}, {'answer': 'Penny Irving'}, {'answer': 'Vivienne Johnson'}]