Question: who is the ceo of allstate insurance company
[{'answer': 'Thomas J. Wilson', 'provenance': [{'wikipedia_id': '7404493', 'title': 'Thomas J. Wilson', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7404493', 'title': 'Thomas J. Wilson', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 173, 'bleu_score': 0.929712191543383, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1174300852292381236}, 'section': 'Section::::Abstract.'}]}]