Question: who does the voice of peter's mom on family guy
[{'answer': 'Phyllis Diller in later appearances', 'provenance': [{'wikipedia_id': '657682', 'title': 'List of Family Guy characters', 'start_paragraph_id': 20, 'start_character': 80, 'end_paragraph_id': 20, 'end_character': 115, 'bleu_score': 1.0, 'section': 'Section::::The Griffin family.:Extended family.\n'}]}, {'answer': 'Florence Stanley in the first appearance'}, {'answer': "Alex Borstein as a young woman in `` Do n't Be a Dickens at Christmas ''"}, {'provenance': [{'wikipedia_id': '657682', 'title': 'List of Family Guy characters', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 1299, 'bleu_score': 0.9800946692295871, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2750149869547452216}, 'section': 'Section::::The Griffin family.:Extended family.\n'}]}]