Question: Xherdan Shaqiri endorses the Nike Mercurial Vapor, but what position does he play for the Premier League club Stoke City, and the Switzerland national team?

Context paragraphs:
Harry Souttar: Harry Souttar (born 22 October 1998) is a Scottish footballer who plays as a defender for English Premier League club Stoke City.  He previously played for Dundee United in Scotland, making three first team appearances, before joining Stoke in September 2016.  Souttar has represented the Scotland under-17 team.

Xherdan Shaqiri: Xherdan Shaqiri (] ; born 10 October 1991) is a Swiss professional footballer who plays as a winger for Premier League club Stoke City, and the Switzerland national team.

Jack Butland: Jack Butland (born 10 March 1993) is an English professional footballer who plays as a goalkeeper for Premier League club Stoke City and the England national team.

Stoke City F.C. Under-23s and Academy: Stoke City Football Club Under-23s is the most senior of Stoke City's youth teams and the club's former reserve team.  The Under-23 team is effectively Stoke City's second-string side.  They play in Premier League 2 Division 2.  The team also competes in the Premier League Cup and the Staffordshire Senior Cup.

Bet365 Stadium: The bet365 Stadium is an all-seater football stadium in Stoke-on-Trent, Staffordshire, England and the home of Premier League club Stoke City.  The stadium was previously called the Britannia Stadium but was renamed on 1 June 2016 when the club entered into a new stadium-naming rights agreement with its parent company, bet365.  It has a capacity of 30,089 following the completion of expansion works in 2017.

Joe Allen: Joseph Michael Allen (born 14 March 1990) is a Welsh professional footballer who plays as a midfielder for Premier League club Stoke City and the Wales national team.

2012–13 FC Bayern Munich season: The 2012–13 FC Bayern Munich season was the 114th season in the club's history and the 48th consecutive season in the top flight of German football, the Bundesliga, since the promotion of the team from the Regionalliga Süd in 1965.  Before the start of the season, Bayern signed Xherdan Shaqiri, Dante, Claudio Pizarro, Mitchell Weiser, Tom Starke and Mario Mandžukić.  Bayern also added holding midfielder Javi Martínez after the first week of the Bundesliga season at the transfer deadline.  The club started the season with a nine-match winning streak.  The club would end the season claiming the Treble, winning the Bundesliga, the UEFA Champions League and the DFB-Pokal.  Bayern are the first German club to achieve the Treble and are the third European Club to complete the Treble in the last five seasons and seventh ever in European Club competition.

Nike Mercurial Vapor: The Mercurial Vapor is a football boot manufactured by Nike.  The boot is known for being lightweight.  Because of this, the boot is endorsed by many players for whom speed is part of their game, notably wingers or strikers, such as Cristiano Ronaldo, Franck Ribéry, Luiz Adriano, Zlatan Ibrahimović, Didier Drogba, Jesús Navas, Luka Modrić, Arturo Vidal, Douglas Costa, Xherdan Shaqiri, Raheem Sterling, Stephan El Shaarawy, Eden Hazard, Alexis Sánchez, Carlos Bacca and Philippe Coutinho, among others.

Erik Pieters: Erik Pieters (] ) (born 7 August 1988) is a Dutch footballer who plays as a left back for Premier League club Stoke City and the Dutch national team.

Peter Crouch: Peter James Crouch (born 30 January 1981) is an English professional footballer who plays as a striker for Premier League club Stoke City.  He was capped 42 times by the England national team between 2005 and 2010, scoring 22 goals for his country in that time, and appearing at two World Cups.

Supporting paragraphs: Nike Mercurial Vapor Xherdan Shaqiri
Answer: winger