Question: when is the last episode of the originals going to air
[{'answer': 'August 1 , 2018', 'provenance': [{'wikipedia_id': '40780004', 'title': 'List of The Originals episodes', 'start_paragraph_id': 3, 'start_character': 121, 'end_paragraph_id': 3, 'end_character': 136, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]