Question: what was the last season of prison break
[{'answer': 'fifth', 'provenance': [{'wikipedia_id': '50390062', 'title': 'Prison Break (season 5)', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50390062', 'title': 'Prison Break (season 5)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 653, 'bleu_score': 0.946668591300401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17757434375520288521}, 'section': 'Section::::Abstract.'}]}]