Question: when does madden 2018 come out for playstation 4
[{'answer': 'August 25 , 2017', 'provenance': [{'wikipedia_id': '54028902', 'title': 'Madden NFL 18', 'start_paragraph_id': 19, 'start_character': 300, 'end_paragraph_id': 19, 'end_character': 319, 'bleu_score': 1.0, 'section': 'Section::::Development.\n'}]}]