Question: What is the name of the Austrian football club from Carinthia who competed for twenty seasons on the second level of the football pyramid and for whom Michael Sollbauer plays midfield?

full_context: Document 1: Thomas Maier (footballer): Thomas Maier (born 18 April 1998) is an Austrian footballer currently playing for Kapfenberger SV.
Document 2: Michael Sollbauer: Michael Sollbauer (born May 15, 1990) is an Austrian football midfielder who currently plays for Wolfsberger AC.
Document 3: Mario Götze: Mario Götze (] ; born 3 June 1992) is a German professional footballer who plays as an attacking midfielder for German Bundesliga club Borussia Dortmund and the Germany national team. Although his favoured position is that of a playmaker. Götze possesses speed, technique, dribbling skills, and playmaking capabilities. In 2010, German Football Association's then technical director Matthias Sammer described Götze as "one of the best talents Germany has ever had."
Document 4: Michael Sauer (ice hockey): Michael Curtis "Mike" Sauer (born August 7, 1987) is an American former professional ice hockey defenseman who played three seasons in the National Hockey League (NHL) with the New York Rangers. He is the younger brother of Phoenix Coyotes defenseman Kurt Sauer, and of former Atlanta Falcons and Minnesota Vikings (NFL) linebacker Craig Sauer. Sauer was born in St. Cloud, Minnesota, but grew up in Sartell, Minnesota.
Document 5: Wollongong Wolves FC: Wollongong Wolves Football Club is an Australian semi-professional football club based in Wollongong, in the Illawarra region of New South Wales. The club currently competes in the National Premier Leagues NSW, the second-tier of football in Australia. The club plays its home games out of WIN Stadium. The club has been successful throughout their history winning one continental championship, two national championships and two state championships.
Document 6: LASK Linz: Linzer Athletik-Sport-Klub, commonly known as LASK Linz (] ) or simply LASK, is an Austrian association football club, from the Upper-Austrian state capital Linz. It is the oldest football club hailing from that region, and currently plays in the Austrian Football Bundesliga, the top tier of Austrian football. The club's colours are black and white. The women's football section currently plays in the second highest division of Austrian women's football.
Document 7: Thomas Müller: Thomas Müller (] ; born 13 September 1989) is a German professional footballer who plays for and vice-captains Bayern Munich and the German national team. A versatile player, Müller plays as a midfielder or forward, and has been deployed in a variety of attacking roles – as an attacking midfielder, second striker, centre forward and on either wing. He has been praised for his positioning, teamwork and stamina, work-rate, and has shown consistency in both scoring and creating goals.
Document 8: FC Red Bull Salzburg: FC Red Bull Salzburg is an Austrian association football club, based in Wals-Siezenheim. Their home ground is the Red Bull Arena. Due to sponsorship restrictions, the club is known as FC Salzburg and wears a modified crest when playing in UEFA competitions.
Document 9: Wolverhampton Wanderers F.C.: Wolverhampton Wanderers Football Club (commonly referred to as Wolves) is a professional association football club based in the city of Wolverhampton, West Midlands. The club was originally known as St. Luke's FC and was founded in 1877 and since 1889 has played at Molineux. They compete in the Championship, the second highest tier of English football, having been promoted from League One in 2014 after a solitary season at that level.
Document 10: List of Wollongong Wolves FC seasons: Wollongong Wolves FC is an association football club based in Wollongong, Australia. The club was formed in 1980 as has competed at the highest tier of soccer in Australia. Currently, the club participates in the National Premier Leagues NSW competition, which is the second highest tier of soccer in Australia. The club has won one continental championship, two national championships and two state championships.
Document 11: Michael Langer: Michael Langer (born 6 January 1985 in Bregenz, Vorarlberg) is an Austrian footballer, who plays for FC Schalke 04.
Document 12: Wolfsberger AC: Wolfsberger AC are an Austrian association football club from Wolfsberg, Carinthia. The club competed twenty seasons on the second level of the Austrian football pyramid. Between the 2007–08 and 2011–12 seasons, Wolfsberger AC entered a cooperation with "SK St. Andrä", competing under the name "WAC/St. Andrä" during that period. The team is currently called "RZ Pellets WAC" for sponsorship reasons.
Document 13: Kapfenberger SV: Kapfenberger SV is an Austrian association football club from Kapfenberg. They won the 2007–08 Austrian Football First League and advanced to the Austrian Bundesliga. The club was founded in 1919 as "Kapfenberger SC". The club was renamed into Kapfenberger SV in 1947 and currently play in the Austrian First League, the second level of Austrian football.
Document 14: Bastian Schweinsteiger: Bastian Schweinsteiger (] ; born 1 August 1984) is a German professional footballer who plays as a midfielder for Major League Soccer club Chicago Fire. A right-footed player, he usually plays as central midfielder. Earlier in his career, he primarily played as a wide midfielder.
Document 15: David Alaba: David Olatukunbo Alaba (born 24 June 1992) is an Austrian professional footballer who plays for German club Bayern Munich and the Austria national team. He holds Austria's record as the youngest player to play for their senior national team, debuting for them in 2009 as a 17-year-old.
ground_truth: Wolfsberger AC