Question: who plays jack on king of the hill
[{'answer': 'Brian Doyle - Murray'}, {'provenance': [{'wikipedia_id': '5541204', 'title': 'List of King of the Hill characters', 'start_paragraph_id': 84, 'start_character': 0, 'end_paragraph_id': 84, 'end_character': 437, 'bleu_score': 0.972407137066537, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9825850477917268594}, 'section': 'Section::::Other recurring characters.\n'}]}]