Question: Stoke City football has a new shirt sponsor based in what country?

Context paragraphs:
2009–10 Northampton Town F.C. season: The 2009–10 football season is Northampton Town Football Club's 32nd season in the Football League Two, the fourth division of English football, and their 95th as a professional club.  It officially began on 1 July 2009, and will conclude on 30 June 2010, although competitive matches are only played between August and May.  The team's new shirt supplier is Erreà, and the shirt sponsor is Jackson Grundy.

History of Stoke City F.C.: Stoke City Football Club was formed in 1863 as Stoke Ramblers Football Club by former pupils of the Charterhouse School whilst they were apprentices at the North Staffordshire Railway.  The club dropped the Ramblers from their name in 1878, and in 1888 they were founding members of the Football League.  In 1925, the club's name was changed for the final time to Stoke City Football Club when Stoke-on-Trent was granted city status.

List of Stoke City F.C. seasons: Stoke City Football Club is an English professional football club based in the city of Stoke-on-Trent, Staffordshire.  The club was formed in 1863 and played their first competitive match in November 1883 in the FA Cup.  They were founder members of the Football League in 1888, in which they struggled finishing bottom in the first two seasons and failed to gain re-election for the 1890–91 meaning that they played in the Football Alliance.  They won the Alliance and re-joined the league.  Stoke continued to struggle financially and in 1908 the club was liquidated and had to resign from the league.  They re-branded as Stoke F.C. (1908) and joined the Birmingham & District League and Southern Football League before regaining their league status for the 1919–20 season.

Benenden Health: The Benenden Healthcare Society Limited (styled Benenden) is a mutual society in the UK providing private medical cover.  Its membership consists of 850,000 individuals and employees of corporate schemes provided by them.  Benenden has been the shirt sponsor of York City Football Club since the 2012–13 season.

Bet365: Bet365 Group Ltd (styled as "bet365") is a gambling company based in the United Kingdom.  Bet365 is one of the world's leading online gambling groups with over 19 million customers in almost two hundred countries.  The Group employs over 3,000 people and is the largest private employer in the city of Stoke-on-Trent.

2013–14 Celtic F.C. season: The 2013–14 season was the 125th season of competitive football by Celtic.  Celtic have a new shirt sponsor for the season with Irish Cider brand Magners taking over from Tennent's Lager for the next three years.

2010–11 Northampton Town F.C. season: The 2010–11 football season was Northampton Town Football Club's 33rd season in the Football League Two, the fourth division of English football, and their 103rd as a professional club.  It officially began on 1 July 2010, and concluded on 30 June 2011, although competitive matches were only played between August and May.  The team's shirt supplier is Erreà, and the shirt sponsor is Jackson Grundy.

2012–13 Stoke City F.C. season: The 2012–13 season was Stoke City's fifth season in the Premier League and the 57th in the top tier of English football.  It was also the club's 150th year in existence and to mark the occasion the club had a special crest and the away kit was the same colours that Stoke Ramblers wore back in 1863, navy and cardinal Stoke also had a new shirt sponsor Bet365 taking over from Britannia.

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.

Stoke City F.C. league record by opponent: Stoke City Football Club is an English association football club based in Stoke-on-Trent.  Founded as Stoke Ramblers Football Club in 1863, the club changed its name to Stoke Football Club in 1868 and then added the word "City" in 1927.  During the 1888–89 season, Stoke joined the Football League and after a period in non-league football prior to World War I Stoke remained there until 2008 when Stoke gained promotion Premier League.

Supporting paragraphs: 2012–13 Stoke City F.C. season Bet365
Answer: United Kingdom