Question: who did helena bonham carter play in absolutely fabulous
[{'answer': 'Saffy', 'provenance': [{'wikipedia_id': '44134099', 'title': 'Absolutely Fabulous (series 2)', 'start_paragraph_id': 38, 'start_character': 36, 'end_paragraph_id': 38, 'end_character': 41, 'bleu_score': 1.0, 'section': 'Section::::Cast.:Special guest stars.\n'}]}, {'provenance': [{'wikipedia_id': '44134099', 'title': 'Absolutely Fabulous (series 2)', 'start_paragraph_id': 38, 'start_character': 0, 'end_paragraph_id': 38, 'end_character': 53, 'bleu_score': 0.6803749333171201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3356992099013548954}, 'section': 'Section::::Cast.:Special guest stars.\n'}]}]