Question: who is the longest serving member of emmerdale
[{'answer': 'Jack Sugden', 'provenance': [{'wikipedia_id': '192572', 'title': 'Emmerdale', 'start_paragraph_id': 33, 'start_character': 39, 'end_paragraph_id': 33, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::History.:2009–2011.\n'}]}, {'provenance': [{'wikipedia_id': '192572', 'title': 'Emmerdale', 'start_paragraph_id': 33, 'start_character': 0, 'end_paragraph_id': 33, 'end_character': 465, 'bleu_score': 0.9731482306711111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14575311893502363329}, 'section': 'Section::::History.:2009–2011.\n'}]}]