Question: when does the next season of the dragon prince come out
[{'answer': '2019', 'provenance': [{'wikipedia_id': '57960893', 'title': 'The Dragon Prince', 'start_paragraph_id': 1, 'start_character': 246, 'end_paragraph_id': 1, 'end_character': 250, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]