Question: who does the voice of granny pig in peppa pig
[{'answer': 'Frances White', 'provenance': [{'wikipedia_id': '52031575', 'title': 'List of Peppa Pig characters', 'start_paragraph_id': 8, 'start_character': 34, 'end_paragraph_id': 8, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Pigs.\n'}]}]