Read this: The club's success in the late 1990s and first decade of the 21st century owed a great deal to the 1996 appointment of Arsene Wenger as manager. Wenger brought new tactics, a new training regime and several foreign players who complemented the existing English talent. Arsenal won a second League and Cup double in 199798 and a third in 200102. In addition, the club reached the final of the 19992000 UEFA Cup (losing on penalties to Galatasaray), were victorious in the 2003 and 2005 FA Cups, and won the Premier League in 200304 without losing a single match, an achievement which earned the side the nickname "The Invincibles". The feat came within a run of 49 league matches unbeaten from 7 May 2003 to 24 October 2004, a national record.

Who did Arsenal win its FA Cup over in 2005?
What is the answer? (If it cannot be answered, return "unanswerable")
unanswerable