Question: what is the newest madden game for ps4
[{'answer': 'Madden NFL 18', 'provenance': [{'wikipedia_id': '368118', 'title': 'Madden NFL', 'start_paragraph_id': 76, 'start_character': 12, 'end_paragraph_id': 76, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Overview.:2010s.:"Madden NFL 17".\n'}]}, {'provenance': [{'wikipedia_id': '368118', 'title': 'Madden NFL', 'start_paragraph_id': 77, 'start_character': 0, 'end_paragraph_id': 77, 'end_character': 400, 'bleu_score': 0.9459593777919341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5736601405747714427}, 'section': 'Section::::Overview.:2010s.:"Madden NFL 18".\n'}]}]