Question: Where was the last team coached by Christian Preußer based?

full_context: Document 1: Stefan Effenberg: Stefan Effenberg (] ; born 2 August 1968) is a retired German footballer who last managed SC Paderborn. A midfielder, he possessed leadership skills, fantastic passing range, powerful shooting ability, physical strength, but also a fearsome and controversial character.
Document 2: Christian Strohdiek: Christian Strohdiek (born 22 January 1988) is a German footballer who currently plays for SC Paderborn 07.
Document 3: FC Schalke 04: Fußballclub Gelsenkirchen-Schalke 04 e. V., commonly known as FC Schalke 04 (] ), Schalke or abbreviated as S04 (] ), is a professional German association-football club and multi-sports club originally from the district of Gelsenkirchen, North Rhine-Westphalia. The "04" in the club's name derives from its formation in 1904. Schalke has long been one of the most popular professional football teams and multi-sports club in Germany, even though major successes have been rare since the club's heyday in the 1930s and early 1940s. Schalke play in the Bundesliga, the top tier of the German football league system. As of December 2015, the club has 140,000 members, making it the second-largest sports club in Germany and the sixth-largest sports club in the world in terms of membership. Other activities offered by the club include athletics (track and field), basketball, handball, table tennis, winter sports and eSports.
Document 4: Rot-Weiß Oberhausen: Rot-Weiß Oberhausen is a German association football club in Oberhausen, North Rhine-Westphalia. The club was formed as "Oberhausener SV" in December 1904 out of the merger of "Emschertaler SV" (1902) and the football enthusiasts of "Oberhausener TV 1873". The new side entered into a union with "Viktoria Styrum BV" to create "SpVgg 1904 Oberhausen-Styrum", but within six months a number of the club's members left to form "1. FC Mülheim-Styrum". The remaining club members carried on and in 1934 took on their current name.
Document 5: Lorenz-Günther Köstner: Lorenz-Günther Köstner (born 30 January 1952) is a retired German footballer who is now a football manager who last managed Fortuna Düsseldorf. Following the sacking of Armin Veh on 25 January 2010, he was named interim manager of VfL Wolfsburg until 30 June 2010.
Document 6: 1. FC Herzogenaurach: The 1. FC Herzogenaurach is a German association football club from the city of Herzogenaurach, Bavaria.
Document 7: Eusebio Di Francesco: Eusebio Di Francesco (born 8 September 1969) is an Italian former professional footballer and current manager, who played as a midfielder. He currently works as head coach of Serie A club A.S. Roma.
Document 8: FC Rot-Weiß Erfurt: FC Rot-Weiß Erfurt is a German association football club based in Erfurt, Thuringia.
Document 9: 1. Münchner FC 1896: 1. Münchner FC 1896 was a German association football club in Munich, Bavaria whose origins were in the formation on 5 September 1896 of the club "Terra Pila" (Latin: earth + ball) by a group of students playing football on the city's Theresienwiese, which is today the official ground of the Munich Oktoberfest. Both "1. FC" and "FC Nordstern München" laid claim to being the earliest football club in the city and were made up primarily of students. Alongside "FC Bavaria 1899 München", these clubs are notable as founding members of the German Football Association (Deutscher Fußball Bund or German Football Association) at Leipzig in 1900.
Document 10: RB Leipzig: RasenBallsport Leipzig e.V., commonly known as RB Leipzig, is a German association football club based in Leipzig, Saxony. The club was founded in 2009 by initiative of energy drink-maker Red Bull GmbH who purchased a playing right of the fifth division side SSV Markranstädt with the intention of advancing the new club to the top-flight Bundesliga within eight years. Men's professional football is run by the spin-off organization "RasenballSport Leipzig GmbH". RB Leipzig plays its home matches at the Red Bull Arena.
Document 11: Uli Hoeneß: Ulrich "Uli" Hoeneß (] ; born 5 January 1952) is the president of German football club Bayern Munich and a retired German footballer who played as a forward for club and country. Hoeneß represented Germany at one World Cup and two European Championships, winning one tournament in each competition.
Document 12: 2007–08 VfL Wolfsburg season: VfL Wolfsburg had their best ever season under new coach Felix Magath. The double Bundesliga-winning coach from Bayern Munich improved the fortunes of Wolfsburg from a relegation-threatened side to a fifth place-finish. This was just the start of a sensational ascent to the top of German football, culminating in a shock title win the season afterwards. New signings Diego Benaglio, Josué, Grafite and Edin Džeko were all successful and played a big part in the resurgence.
Document 13: TuRa Leipzig: TuRa Leipzig was a German association football club active before World War II from the city of Leipzig, Saxony. Successor sides included "BSG Chemie Leipzig", which was part of East German football competition, and "FC Sachsen Leipzig", which emerged following German reunification in 1990.
Document 14: Christian Preußer: Christian Preußer (born 23 January 1984) is a German football manager who last coached Rot-Weiß Erfurt.
Document 15: Alexander Frei: Alexander Frei (born 15 July 1979) is a former Swiss footballer who played as a forward. He is currently working as a youth coach at FC Basel.
ground_truth: Erfurt, Thuringia