Question: when does the cursed child book come out
[{'answer': '31 July 2016', 'provenance': [{'wikipedia_id': '47083555', 'title': 'Harry Potter and the Cursed Child', 'start_paragraph_id': 56, 'start_character': 131, 'end_paragraph_id': 56, 'end_character': 143, 'bleu_score': 1.0, 'section': 'Section::::Script publication.:Editions.\n'}]}, {'answer': '25 July 2017', 'provenance': [{'wikipedia_id': '47083555', 'title': 'Harry Potter and the Cursed Child', 'start_paragraph_id': 56, 'start_character': 323, 'end_paragraph_id': 56, 'end_character': 335, 'bleu_score': 1.0, 'section': 'Section::::Script publication.:Editions.\n'}]}, {'provenance': [{'wikipedia_id': '47083555', 'title': 'Harry Potter and the Cursed Child', 'start_paragraph_id': 56, 'start_character': 0, 'end_paragraph_id': 56, 'end_character': 437, 'bleu_score': 0.9168478886314171, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4111482820521558639}, 'section': 'Section::::Script publication.:Editions.\n'}]}]