Question: who owns the waldorf astoria in new york city
[{'answer': 'Anbang Insurance Group', 'provenance': [{'wikipedia_id': '492132', 'title': 'Waldorf Astoria New York', 'start_paragraph_id': 2, 'start_character': 725, 'end_paragraph_id': 2, 'end_character': 747, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]