 Complete the following phrase:  With its 76,761 all-seater capacity and Olympic size, it was granted the 5-star sports complex title by the UEFA in 2004, enabling it to host the finals of UEFA events. The 2005 UEFA Champions League Final between Milan and Liverpool was played at the Atatürk Olympic Stadium on 25 May 2005. The stadium is also certified by the IAAF and IOC as a first-class venue for track and field, and has hosted several European athletic competitions. The stadium was originally scheduled to stage its 