Question: Madden NFL 08 is an American football video game based on the NFL that was published by EA Sports and developed by EA Tiburon, it features the former Tennessee Titans Vince Young on the cover, Vincent Paul Young Jr. (born May 18, 1983) is an American football player, plays which position, who is currently a free agent?
{'answer': 'quarterback', 'supporting_facts': [['Madden NFL 08', 1], ['Vince Young', 0]]}