Question: when is the next dragonwatch book coming out
[{'answer': '2018', 'provenance': [{'wikipedia_id': '11654516', 'title': 'Brandon Mull', 'start_paragraph_id': 26, 'start_character': 145, 'end_paragraph_id': 26, 'end_character': 149, 'bleu_score': 1.0, 'section': 'Section::::Published works.:"Dragonwatch".\n'}]}, {'provenance': [{'wikipedia_id': '11654516', 'title': 'Brandon Mull', 'start_paragraph_id': 26, 'start_character': 0, 'end_paragraph_id': 26, 'end_character': 629, 'bleu_score': 0.88366245271649, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12857862077707282480}, 'section': 'Section::::Published works.:"Dragonwatch".\n'}]}]