Question: who is the ig of the justice department
[{'answer': 'Michael E. Horowitz', 'provenance': [{'wikipedia_id': '10232778', 'title': 'United States Department of Justice Office of the Inspector General', 'start_paragraph_id': 1, 'start_character': 346, 'end_paragraph_id': 1, 'end_character': 365, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10232778', 'title': 'United States Department of Justice Office of the Inspector General', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 394, 'bleu_score': 0.8404492728764561, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7230939268323216024}, 'section': 'Section::::Abstract.'}]}]