Question: who was the last nhl expansion team before las vegas
[{'answer': 'Minnesota Wild', 'provenance': [{'wikipedia_id': '28564975', 'title': 'History of organizational changes in the NHL', 'start_paragraph_id': 77, 'start_character': 72, 'end_paragraph_id': 77, 'end_character': 86, 'bleu_score': 1.0, 'section': 'Section::::Further expansion.:Thirty teams (2000–2017).\n'}]}, {'answer': 'Columbus Blue Jackets', 'provenance': [{'wikipedia_id': '28564975', 'title': 'History of organizational changes in the NHL', 'start_paragraph_id': 77, 'start_character': 42, 'end_paragraph_id': 77, 'end_character': 63, 'bleu_score': 1.0, 'section': 'Section::::Further expansion.:Thirty teams (2000–2017).\n'}]}]