Question: when did esther from sanford and son die
[{'answer': 'September 14 , 2002', 'provenance': [{'wikipedia_id': '1752991', 'title': 'LaWanda Page', 'start_paragraph_id': 13, 'start_character': 108, 'end_paragraph_id': 13, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Personal life and death.\n'}]}]