Question: when was the linq hotel in las vegas built
[{'answer': '1959', 'provenance': [{'wikipedia_id': '1976132', 'title': 'The Linq', 'start_paragraph_id': 2, 'start_character': 24, 'end_paragraph_id': 2, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1976132', 'title': 'The Linq', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 363, 'bleu_score': 0.9114434865990401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14587948150319561260}, 'section': 'Section::::Abstract.'}]}]