Question: when do new troll hunter episodes come out
[{'answer': '2018 .', 'provenance': [{'wikipedia_id': '39593077', 'title': 'Trollhunters: Tales of Arcadia', 'start_paragraph_id': 58, 'start_character': 603, 'end_paragraph_id': 58, 'end_character': 612, 'bleu_score': 1.0, 'section': 'Section::::"Tales of Arcadia".\n'}]}, {'provenance': [{'wikipedia_id': '39593077', 'title': 'Trollhunters: Tales of Arcadia', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 273, 'bleu_score': 0.727656092451988, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17036826079702949439}, 'section': 'Section::::Abstract.'}]}]