Question: when does the nhl 2019 schedule come out
[{'answer': 'June', 'provenance': [{'wikipedia_id': '55632970', 'title': '2018–19 NHL season', 'start_paragraph_id': 1, 'start_character': 327, 'end_paragraph_id': 1, 'end_character': 331, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]