Question: when does season 20 of law & order svu begin
[{'answer': 'September 27 , 2018', 'provenance': [{'wikipedia_id': '57970643', 'title': 'Law & Order: Special Victims Unit (season 20)', 'start_paragraph_id': 63, 'start_character': 440, 'end_paragraph_id': 63, 'end_character': 459, 'bleu_score': 1.0, 'section': 'Section::::Cast.:Guest stars.\n'}]}, {'provenance': [{'wikipedia_id': '57970643', 'title': 'Law & Order: Special Victims Unit (season 20)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 187, 'bleu_score': 0.6096787979046301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13821371249418191940}, 'section': 'Section::::Abstract.'}]}]