Question: what's the newest team in the nhl
[{'answer': 'The Vegas Golden Knights', 'provenance': [{'wikipedia_id': '28564975', 'title': 'History of organizational changes in the NHL', 'start_paragraph_id': 89, 'start_character': 194, 'end_paragraph_id': 89, 'end_character': 218, 'bleu_score': 1.0, 'section': 'Section::::Further expansion.:Thirty-one teams (2017–2021).\n'}]}]