Question: in what year did allstate go public when sears sells 19.8 percent of the company
[{'answer': '1993', 'provenance': [{'wikipedia_id': '797063', 'title': 'Allstate', 'start_paragraph_id': 1, 'start_character': 286, 'end_paragraph_id': 1, 'end_character': 290, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '797063', 'title': 'Allstate', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 111, 'bleu_score': 0.910879922930628, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12197163604932598347}, 'section': 'Section::::History.\n'}]}]