Question: how many seasons of svu law and order are there
[{'answer': '20', 'provenance': [{'wikipedia_id': '197060', 'title': 'Law & Order: Special Victims Unit', 'start_paragraph_id': 2, 'start_character': 32, 'end_paragraph_id': 2, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]