Question: Who is a Swiss professional footballer who currently plays as a midfielder for a Swiss football team from the Bernese Oberland town of Thun ?

full_context: Document 1: FC Lausanne-Sport: FC Lausanne-Sport (also referred to as LS) is a Swiss football club based in Lausanne.
Document 2: Michael Sollbauer: Michael Sollbauer (born May 15, 1990) is an Austrian football midfielder who currently plays for Wolfsberger AC.
Document 3: Tranquillo Barnetta: Tranquillo Barnetta (] ; born 22 May 1985) is a Swiss professional footballer who plays as a midfielder for St. Gallen. He usually plays out wide as a left winger but can also play in the centre as an attacking midfielder, or even in a more withdrawn role as a central midfielder. Barnetta is known for his "extreme pace, mobility and creativity". Prior to moving to the MLS, Barnetta played football for several Swiss and German clubs. At international level, he has amassed 75 caps for the Swiss national team, representing his nation in three FIFA World Cups, and two UEFA European Football Championships.
Document 4: FC Zürich: Fussballclub Zürich, commonly abbreviated to FC Zürich, FCZ or simply Zürich, is a Swiss football club based in the city of Zürich and currently playing in the Super League, the first tier in the Swiss football league system. The club was founded in 1896 and has won the Swiss Super League 12 times and the Swiss Cup nine times. The club won the 2009 Swiss Super League and last won the Swiss Cup in 2016. They play their home games at the Letzigrund in Zürich, which seats 25,000 spectators. For the women's team see FC Zürich Frauen.
Document 5: Silvan Aegerter: Silvan Aegerter (born 5 May 1980, in Grenchen) is a Swiss football midfielder who currently plays as midfielder for FC Lugano in the Swiss Challenge League. Before he played for FC Thun and FC Zürich. He played in the youth team for his local team FC Grenchen and also for FC Basel.
Document 6: Nicola Sutter: Nicola Sutter (born 5 May 1995) is a Swiss professional footballer who currently plays as a midfielder for FC Thun.
Document 7: FC Thun: FC Thun ("Fussballclub Thun 1898") is a Swiss football team from the Bernese Oberland town of Thun. The club currently plays in the Swiss Super League after being promoted in the 2009/10 season. The club plays at the Stockhorn Arena which accommodates a total of 10,000 supporters, both seated and standing. The club's colours are red and white.
Document 8: FC St. Gallen: FC St. Gallen 1879 ("Fussballclub St. Gallen 1879") is a Swiss football club based in St. Gallen. The club is currently playing in the 2016–17 Swiss Super League.
Document 9: Nicolas Schindelholz: Nicolas Schindelholz (born 12 February 1988 Switzerland) is a Swiss professional footballer who currently plays as a defender for FC Thun in the Swiss Super League.
Document 10: Sutee Suksomkit: Sutee Suksomkit (Thai: สุธี สุขสมกิจ , born June 5, 1978) is a Thai retired professional footballer. Sutee or nicknamed "Bird" is one of the most famous Thai footballer during the last decade regarding of his skilful style of play. The attacker spent 8 years between 2001 and 2009 playing abroad for several clubs in Singapore and Australia. He has also been serving Thailand at international level as an important member since 2000, earning 70 caps so far.
Document 11: FC Winterthur: FC Winterthur is a Swiss football club based in Winterthur, Canton of Zürich. They play in the Swiss Challenge League, the second highest tier of Swiss football. They play at the Schützenwiese Stadium.
Document 12: FC Luzern: Fussball-Club Luzern, commonly known as FC Luzern (] ), or simply abbreviated to FCL, is a Swiss sports club based in Lucerne. It is best known for its professional football team, which plays in the Super League, the top tier of the Swiss football league system, and has won the national title once and the national cup twice.
Document 13: Cinzia Zehnder: Cinzia Vittoria Zehnder (born 4 August 1997) is a Swiss professional footballer who plays for Swiss club FC Zürich as a midfielder. Since her debut in June 2014, a 7–0 win over Serbia, she has been a member of the Switzerland women's national football team.
Document 14: Mickaël Facchinetti: Mickaël Facchinetti (born 15 February 1991) is a Swiss professional footballer who currently plays for FC Thun as a left full back.
Document 15: FC Sion: FC Sion is a Swiss football team from the city of Sion (] ). The club was founded in 1909, and play their home games at the Stade Tourbillon. They have won the Swiss Super League twice, and the Swiss Cup in thirteen of their fourteen appearances in the final, the most recent being in 2015.
ground_truth: Nicola Sutter