Question: who plays the fbi agent in prison break
[{'answer': 'William Edward Fichtner Jr.', 'provenance': [{'wikipedia_id': '2184757', 'title': 'William Fichtner', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2184757', 'title': 'William Fichtner', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 506, 'bleu_score': 0.595430562514607, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5896186580586955047}, 'section': 'Section::::Abstract.'}]}]