Question: who owns mgm resorts international in las vegas
[{'answer': 'Tracinda Corporation', 'provenance': [{'wikipedia_id': '268993', 'title': 'MGM Resorts International', 'start_paragraph_id': 4, 'start_character': 44, 'end_paragraph_id': 4, 'end_character': 64, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'T. Rowe Price'}]