Question: Harry Baird played for which football club based at Old Trafford?

Context paragraphs:
History of Manchester United F.C. (1945–69): Manchester United Football Club is an English professional football club, based in Old Trafford, Greater Manchester, that plays in the Premier League.  Founded as Newton Heath LYR Football Club in 1878, and changed its name to Manchester United in 1902.

Manchester United F.C.: Manchester United Football Club is a professional football club based in Old Trafford, Greater Manchester, England, that competes in the Premier League, the top flight of English football.  Nicknamed "the Red Devils", the club was founded as Newton Heath LYR Football Club in 1878, changed its name to Manchester United in 1902 and moved to its current stadium, Old Trafford, in 1910.

List of Manchester United F.C. seasons: Manchester United Football Club is an English professional football club based in Old Trafford, Greater Manchester.  The club was formed in Newton Heath in 1878 as Newton Heath LYR F.C., and played their first competitive match in October 1886, when they entered the First Round of the 1886–87 FA Cup.  The club was renamed Manchester United F.C. in 1902, and moved to Old Trafford in 1910.

Bank Street (football ground): Bank Street, known for a time as Bank Lane, was a multi-purpose stadium in Clayton, Manchester, England.  It was mostly used for football matches and was the second home ground of Manchester United Football Club (then known as Newton Heath Football Club), after North Road, which they left in 1893.  The stadium had a capacity of around 50,000, but the club moved to Old Trafford in 1910 because club owner John Henry Davies believed he could not sufficiently expand the ground.

Manchester United F.C. league record by opponent: Manchester United Football Club is an English association football club based in Old Trafford, Greater Manchester, that competes in the Premier League.  Founded as Newton Heath LYR Football Club in 1878, the club changed its name to Manchester United in 1902.  During the 1889–90 season, Manchester United joined the Football Alliance.  The team was elected to The Football League in 1892, where the club remained until 1992, when the League's First Division was replaced as the top level of English football by the Premier League.

Harry Baird (footballer): Harry Baird (17 August 1913 – 22 May 1973) was a Northern Irish footballer who played for, among others, Linfield, Manchester United, Huddersfield Town and Ipswich Town.  He was born in Belfast, at the time part of the country of Ireland.  As an international, Baird was also called up by both Ireland teams – FAI XI and the IFA XI – but only played for the latter.

List of Manchester United F.C. managers: Manchester United Football Club is an English professional football club based in Old Trafford, Greater Manchester.  The club was formed in Newton Heath in 1878 as Newton Heath LYR F.C., and played their first competitive match in October 1886, when they entered the First Round of the 1886–87 FA Cup.  The club was renamed Manchester United F.C. in 1902, and moved to Old Trafford in 1910.

Glazer ownership of Manchester United: Manchester United Football Club is an English football club based in Old Trafford, Greater Manchester.  The club was formed as Newton Heath LYR Football Club, the works team of the Lancashire and Yorkshire Railway depot in Newton Heath, in 1878.  The club split from the railway company in 1892 and remained under private ownership for almost 100 years, changing its name to Manchester United after being saved from bankruptcy in 1902.

Manchester United F.C. in European football: Manchester United Football Club is an English football club based in Old Trafford, Greater Manchester.  They were the first English club to enter European competition, entering the European Cup in 1956.  Since then, the club has competed in every UEFA-organised competition, with the exception of the now-defunct Intertoto Cup.

List of Manchester United F.C. players: Manchester United Football Club is an English professional football club based in Old Trafford, Greater Manchester.  The club was formed in Newton Heath in 1878 as Newton Heath LYR F.C., and played their first competitive match in October 1886, when they entered the First Round of the 1886–87 FA Cup.  The club was renamed Manchester United F.C. in 1902, and moved to Old Trafford in 1910.  Since playing their first competitive match, exactly 900 players have made a competitive first-team appearance for the club, of whom 205 players have made at least 100 appearances (including substitute appearances).

Supporting paragraphs: Harry Baird (footballer) Manchester United F.C.
Answer: Manchester United Football Club