Question: when did the last episode of westworld air
[{'answer': 'June 24 , 2018', 'provenance': [{'wikipedia_id': '43369485', 'title': 'Westworld (TV series)', 'start_paragraph_id': 2, 'start_character': 311, 'end_paragraph_id': 2, 'end_character': 325, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '43369485', 'title': 'Westworld (TV series)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 567, 'bleu_score': 0.8330912946191551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14843010040482652462}, 'section': 'Section::::Abstract.'}]}]