Question: what happened to warren on the andy griffith show
[{'answer': 'disappeared without any explanation', 'provenance': [{'wikipedia_id': '14601704', 'title': 'Warren Ferguson', 'start_paragraph_id': 7, 'start_character': 78, 'end_paragraph_id': 7, 'end_character': 113, 'bleu_score': 1.0, 'section': 'Section::::Closure.\n'}]}, {'provenance': [{'wikipedia_id': '14601704', 'title': 'Warren Ferguson', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 429, 'bleu_score': 0.9735040436119741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 185037253194687008}, 'section': 'Section::::Closure.\n'}]}]