 Complete the following phrase:  Tina Bachmann born 1 August 1978 in Mülheim, North Rhine-Westphalia is a retired German field hockey player. She represented Germany in two editions of the Olympic Games 2004 and 2008, and also often played as a midfielder and an experienced central defender. Bachmann was also a member of the Germany womens national field hockey team who attained a great success in the mid and late 2000s, capturing three gold medals at the 2004 Summer Olympics, 2006 Womens Hockey Champions Trophy, and 