Question: What team did the Bristol Rovers play against in the game which promoted them from the Conference Premier?

Context paragraphs:
2009–10 Football Conference: The 2009–10 Football Conference season was the sixth season with the Football Conference consisting of three divisions, and the thirty-first season overall.  The Conference covers the top two levels of Non-League football in England.  The Conference Premier is the fifth highest level of the overall pyramid, whilst the Conference North and Conference South exist at the sixth level.  The top team (Stevenage Borough) and the winner of the play-off (Oxford United) of the National division were promoted to Football League Two.  The bottom four were scheduled to be relegated to the North or South divisions, but in the event two teams (Salisbury City and Chester City) were expelled and only the bottom two clubs (Ebbsfleet United and Grays Athletic) were relegated with them.  The champions of the North and South divisions (Southport and Newport County respectively) were promoted to the National division, alongside the play-off winners from each division (Fleetwood Town and Bath City).  The bottom three in each of the North and South divisions were relegated to the premier divisions of the Northern Premier League, Isthmian League or Southern League.  For sponsorship reasons, the Conference Premier was frequently referred to as the Blue Square Premier.

2013–14 Football League: The 2013–14 Football League (known as the Sky Bet Football League for sponsorship reasons) was the 115th season of The Football League.  It began on 3 August 2013 and concluded on 3 May 2014, with the promotion play-off finals at Wembley Stadium on 24–26 May 2014.  The Football League is contested through three Divisions.  The divisions are the Championship, League One and League Two.  Leicester City, Burnley and Queens Park Rangers were promoted to the Premier League, while Bristol Rovers and Torquay United were relegated to the Conference Premier.

2008–09 Football Conference: The 2008–09 Football Conference season was the fifth season with the Conference consisting of three divisions, and the thirtieth season overall.  The Conference covers the top two levels of Non-League football in England.  The Conference Premier is the fifth highest level of the overall pyramid, whilst the Conference North and Conference South exist at the sixth level.  The top team and the winner of the playoff of the National division were promoted to Football League Two, while the bottom four were relegated to the North or South divisions.  The champions of the North and South divisions were promoted to the National division, alongside the play-off winners from each division.  The bottom three in each of the North and South divisions were relegated to the premier divisions of the Northern Premier League, Isthmian League or Southern League.  For sponsorship reasons, the Conference Premier is frequently referred to as the Blue Square Premier.

2014–15 Bristol Rovers F.C. season: The 2014–15 season was the 132nd season in Bristol Rovers' history and first in the Conference Premier, the fifth tier of English football, following their relegation from Football League Two on the final day of the previous season.

2015–16 Bristol Rovers F.C. season: The 2015–16 season was the 133rd season in Bristol Rovers' history and their 88th in the Football League.  Rovers returned to the Football League after an absence of just one season following their promotion from the Conference Premier via the play-offs.

2015 Conference Premier play-off Final: The 2015 Conference Premier play-off Final, known as the 2015 Vanarama Conference Promotion Final for sponsorship reasons, was a football match between Bristol Rovers and Grimsby Town played on 17 May 2015 at Wembley Stadium in London.  It was the thirteenth Conference Premier play-off Final, the eighth to be played at Wembley and the first to feature either side.

2010–11 Bristol Rovers F.C. season: The 2010–11 season was Bristol Rovers fourth season in League One since being promoted via the League Two play-offs in 2006–07.  Bristol Rovers had a poor season and on 30 April 2011, they were relegated to League Two after a 1–1 draw with Sheffield Wednesday.  Bristol Rovers 2010–11 season officially began on 1 July 2010 and concluded on 30 June 2011, with competitive fixtures taking place between August and May.

List of Bristol Rovers F.C. players: Bristol Rovers Football Club is an English professional association football club based in Bristol, who play in Football League One, the Third tier of the English football league system, as of the 2016–17 season.  The club was formed in 1883 under the name Black Arabs F.C. playing their home games at Purdown in Bristol, but they used the name for only a single season, becoming Eastville Rovers and moving to a site known as Three Acres in 1884.  Eastville Rovers were somewhat nomadic, moving home in 1891 to the Schoolmaster's Cricket Ground, in 1892 to Durdham Down, and in 1894 to Ridgeway, before finally settling at Eastville Stadium and changing their name to Bristol Eastville Rovers in 1897.  Two years later they adopted their current name of Bristol Rovers when they became founder members of the Southern League.  They remained at Eastville Stadium for 99 years, before leaving in 1986 when financial pressures meant that they could no longer afford to pay the rent, whereupon they moved to Bath City's Twerton Park, a move that saved the club £30,000 a year.  After playing for ten years in Bath, the club returned to Bristol in 1997 when they agreed to share Bristol Rugby's Memorial Stadium.  Since joining The Football League in 1920, when the top division of the Southern League effectively became the Football League Third Division, Rovers have spent most of their time in the second and third tiers of the English football league system; the team has never played in the top flight and spent six years, 2001 to 2007, in the fourth tier.

Fred Corbett: Frederick 'Fred' Corbett (1 January 1881 – 15 April 1924) was a professional footballer who played for Thames Ironworks and the club's successor West Ham United, before spending three spells at Bristol Rovers punctuated by time at Bristol City and Brentford.  Following his final departure from Bristol Rovers in 1911 he joined Gillingham.  He was one of the first black footballers to play in the Football League.

Jack Smart (footballer): John 'Jack' Smart was a professional footballer who played for Bristol Rovers and Reading in the early twentieth century.  He was born in Kingswood in what is now South Gloucestershire and after starting out with Bristol East went on to play 105 games for Bristol Rovers in the Southern League, scoring twice.  He moved to Reading from Rovers in 1910.

Supporting paragraphs: 2015–16 Bristol Rovers F.C. season 2015 Conference Premier play-off Final
Answer: Grimsby Town