Question: who played brenda's mom on the closer
[{'answer': 'Frances Sternhagen', 'provenance': [{'wikipedia_id': '12244137', 'title': 'List of The Closer characters', 'start_paragraph_id': 7, 'start_character': 32, 'end_paragraph_id': 7, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Recurring characters.:Family.\n'}]}]