Question: when does nick amaro leave law and order
[{'answer': 'season 16', 'provenance': [{'wikipedia_id': '32880973', 'title': 'Nick Amaro', 'start_paragraph_id': 18, 'start_character': 7, 'end_paragraph_id': 18, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Character within "SVU".\n'}]}]