Question: when does americas got talent end in 2018
[{'answer': 'September 19 , 2018', 'provenance': [{'wikipedia_id': '57001539', 'title': "America's Got Talent (season 13)", 'start_paragraph_id': 44, 'start_character': 32, 'end_paragraph_id': 44, 'end_character': 51, 'bleu_score': 1.0, 'section': 'Section::::Finals.\n'}]}]