Question: who owns the hard rock hotel in las vegas
[{'answer': 'Brookfield Asset Management', 'provenance': [{'wikipedia_id': '1642654', 'title': 'Hard Rock Hotel and Casino (Las Vegas)', 'start_paragraph_id': 5, 'start_character': 554, 'end_paragraph_id': 5, 'end_character': 581, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]