Question: Which professional association football club based in Southampton, Hampshire, England did Harry Bamford play as a half-back for?

Context paragraphs:
List of Sutton United F.C. seasons: Sutton United Football Club, a professional association football club based in Sutton in the London Borough of Sutton, England, was founded in 1898 as a merger between Sutton Guild Rovers and Sutton Association Football Clubs.  They were elected to play in the Athenian League for the 1921–22 season.  They won the Athenian League title on three occasions and were runners-up once.  After thirty-seven seasons in the Athenian League, they joined the Isthmian League (given the subtitle First Division in 1973 and then Premier Division in 1977).  The club spent twenty-three seasons in the league, during that spell they won the title twice, reached the fourth round of the 1969–70 FA Cup, and reached the 1981 FA Trophy Final losing 1–0 to Bishop's Stortford.  In 1986 they won the first promotion in their history as champions of the Isthmian League, moving up to the Football Conference.

Wrexham A.F.C.: Wrexham Association Football Club (Welsh: "Clwb Pêl-droed Wrecsam" ) is a professional association football club based in Wrexham, Wales.  Based on the club's recorded formation date of 1864, they are the oldest club in Wales and the third oldest professional football team in the world.  Since August 2011 Wrexham have been a supporter-owned football club.  As of May 2015, the club has 4,129 adult members and joint owners.

Notts County F.C.: Notts County Football Club is a professional association football club based in the city of Nottingham, Nottinghamshire, England.  With records of games as early as 28 November 1862, Notts County is recognised as the oldest association football team in the world now playing at a professional level.  Between 1888–89 and 2013–14 they played a total of 4,756 Football League matches – more than any other English team.  The team plays in League Two, the fourth tier of the English football league system.  County play their home games at Meadow Lane in black and white striped shirts.

Harry Bamford (footballer, born 1886): Harold Walley Bamford (1886 – 26 November 1915) was an English professional footballer who played as a half-back for Southampton in the Southern League from 1908 to 1911, and later for Glossop in the Football League.

Southampton F.C.: Southampton Football Club is a professional association football club based in Southampton, Hampshire, England, which plays in the Premier League, the top tier of English football.

List of Southampton F.C. players: Southampton Football Club is an English association football club based in Southampton, Hampshire.  Founded in 1885 as St Mary's YMA, they became a professional club in 1891 and co-founded the Southern Football League in 1894.  Southampton won the Southern League Premier Division championship six times between 1896 and 1904, and were later elected to the Football League Third Division in 1920.  The Saints finished as runners-up in their first Football League season, and the following year received promotion to the Second Division as Third Division South champions.  The club first entered the First Division in 1966, and currently play in its modern-day counterpart, the Premier League.  Southampton won the FA Cup in 1976, reached the final of the League Cup in 1979 and 2017, and won the League Trophy in 2010.

List of Southampton F.C. seasons: Southampton Football Club, an English association football club based in Southampton, Hampshire, was founded in 1885 as St. Mary's Y.M.A. For almost six years the club took no part in any official competitions at national level, playing only friendlies and local tournaments, including the Hampshire Senior Cup.  St Mary's first entered the FA Cup in the 1891–92 season, and in 1894 under the name Southampton St Mary's joined the newly founded Southern Football League.

List of Rochdale A.F.C. seasons: Rochdale Association Football Club is an English professional association football club based in the town of Rochdale in Greater Manchester.  The club plays in the Football League One, the third tier in the English football league system.  The club's colours are black and blue and they play their home games at Spotland Stadium, which has a capacity of 10,249.  Formed in 1907 and nicknamed "the Dale", they were accepted into the Football League in 1921.  Since then, the club has remained in the bottom two professional divisions of English Football.

List of Plymouth Argyle F.C. results by opponent: Plymouth Argyle Football Club are an English professional association football club based in Plymouth, Devon.  They compete in Football League Two as of the 2015–16 season, the fourth division of the English football league system.  The club was formed in 1886 as Argyle Football Club, a name which was retained until 1903 when the club became professional and were elected to the Southern Football League.  The club also entered English football's premier knockout competition, the Football Association Challenge Cup, for the first time that same year.  The club joined the Football League in 1920, and have competed there since then, achieving multiple league titles, promotions and relegations.

Southampton F.C. Player of the Season: Southampton Football Club is an English association football club based in Southampton, Hampshire.  Founded in 1885 as St Mary's YMA, they became a professional club in 1891, and co-founded the Southern League in 1894.  Southampton won the Southern League championship six times between 1896 and 1904, and were later elected to the Football League in 1920 as co-founders of the Third Division.  The Saints finished as runners-up in their first Football League season, and the following year received promotion to the Second Division as Third Division South champions.  The club first entered the First Division in 1966, and currently play in its modern-day counterpart, the Premier League.  Southampton won the FA Cup in 1976, reached the final of the League Cup in 1979, and won the League Trophy in 2010.

Supporting paragraphs: Harry Bamford (footballer, born 1886) Southampton F.C.
Answer: Southampton Football Club