Question: when will batman and harley quinn be released
[{'answer': 'August 14 , 2017', 'provenance': [{'wikipedia_id': '53860168', 'title': 'Batman and Harley Quinn', 'start_paragraph_id': 29, 'start_character': 135, 'end_paragraph_id': 29, 'end_character': 151, 'bleu_score': 1.0, 'section': 'Section::::Release.\n'}]}]