Question: what las vegas hotel was in the hangover
[{'answer': 'Caesars Palace', 'provenance': [{'wikipedia_id': '21918632', 'title': 'The Hangover', 'start_paragraph_id': 6, 'start_character': 258, 'end_paragraph_id': 6, 'end_character': 272, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '21918632', 'title': 'The Hangover', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 847, 'bleu_score': 0.9715305700167061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14650020294816461280}, 'section': 'Section::::Plot.\n'}]}]