Question: when does the 2018 stanley cup finals start
[{'answer': 'April 11', 'provenance': [{'wikipedia_id': '54302525', 'title': '2018 Stanley Cup playoffs', 'start_paragraph_id': 1, 'start_character': 116, 'end_paragraph_id': 1, 'end_character': 124, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]