Question: when does the next apollo book come out
[{'answer': 'May 1 , 2018', 'provenance': [{'wikipedia_id': '50985871', 'title': 'The Trials of Apollo', 'start_paragraph_id': 13, 'start_character': 67, 'end_paragraph_id': 13, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::Books.:"The Burning Maze".\n'}]}, {'provenance': [{'wikipedia_id': '50985871', 'title': 'The Trials of Apollo', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 78, 'bleu_score': 0.6255340042200861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17825808578824694095}, 'section': 'Section::::Books.:"The Burning Maze".\n'}]}, {'provenance': [{'wikipedia_id': '50985871', 'title': 'The Trials of Apollo', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17825808578824694095}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50985871', 'title': 'The Trials of Apollo', 'section': 'Section::::Books.:"The Burning Maze".\n', 'start_paragraph_id': 13, 'end_paragraph_id': 13, 'meta': {'evidence_span': ['"The Burning Maze" is the third book in the series. It released on May 1, 2018.', '"The Burning Maze" is the third book in the series. It released on May 1, 2018.', '"The Burning Maze" is the third book in the series. It released on May 1, 2018.']}}]}]