Question: when does god of war for playstation 4 come out
[{'answer': 'April 20 , 2018', 'provenance': [{'wikipedia_id': '50810460', 'title': 'God of War (2018 video game)', 'start_paragraph_id': 43, 'start_character': 35, 'end_paragraph_id': 43, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Release.\n'}]}]