Question: what is the new arena in las vegas
[{'answer': 'T - Mobile Arena', 'provenance': [{'wikipedia_id': '39717296', 'title': 'T-Mobile Arena', 'start_paragraph_id': 14, 'start_character': 64, 'end_paragraph_id': 14, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::Tenants.\n'}]}]