Question: when does the next doomsday clock come out
[{'answer': 'May 2018', 'provenance': [{'wikipedia_id': '54745546', 'title': 'Doomsday Clock (comics)', 'start_paragraph_id': 9, 'start_character': 361, 'end_paragraph_id': 9, 'end_character': 369, 'bleu_score': 1.0, 'section': 'Section::::Publication history.:Release.\n'}]}, {'provenance': [{'wikipedia_id': '54745546', 'title': 'Doomsday Clock (comics)', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 445, 'bleu_score': 0.9110626688572421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4374962707145100061}, 'section': 'Section::::Publication history.:Release.\n'}]}]