Question: when did kathy staff leave last of the summer wine
[{'answer': '2008', 'provenance': [{'wikipedia_id': '1401516', 'title': 'Kathy Staff', 'start_paragraph_id': 1, 'start_character': 66, 'end_paragraph_id': 1, 'end_character': 70, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1401516', 'title': 'Kathy Staff', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 341, 'bleu_score': 0.968982777549629, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3037207773693582548}, 'section': 'Section::::"Last of the Summer Wine".\n'}]}]