Question: Jack Fairbrother was an English football goalkeeper, who was best known for his time with what football club that was founded in 1892 by the merger of Newcastle East End and Newcastle West End?

Context paragraphs:
Ardagh, County Limerick: Ardagh is a village and civil parish in County Limerick, Ireland.  The village is situated on the R523 road.  The nearest town is Newcastle West, about 3 miles away, on the R521 road to Foynes and Shanagolden.  The parish is bounded to the west by Athea, to the north by the parish of Coolcappa, to the east Rathkeale and to the south by Newcastle West.  The local GAA team is known as St. Kierans, a club which represents both the parish of Ardagh-Carrigkerry as well as Coolcappagh-Kilcolman.

Newcastle West A.F.C.: Newcastle West Association Football Club is a football club based in Newcastle West in the Republic of Ireland.  The club are currently members of the Premier Division of the Limerick Desmond League, and play at Ballygowan Park, also known as Demesne.

Newcastle United F.C.: Newcastle United Football Club is an English professional association football club based in Newcastle upon Tyne, that currently plays in the Premier League, the top tier of English football.  Newcastle United was founded in 1892 by the merger of Newcastle East End and Newcastle West End, and has played at its current home ground, St James' Park, ever since.  The ground was developed into an all-seater stadium in the mid-1990s and now has a capacity of 52,354.

Newcastle West End F.C.: Newcastle West End Football Club were an English football club which briefly played in the Northern League and the FA Cup in the late 19th century.  Their entire history was played out during the Victorian era in Newcastle.

Jack Fairbrother: John "Jack" Fairbrother (16 August 1917 – October 1999) was an English professional football goalkeeper, best known for his time at Newcastle United shortly after the Second World War.  His uncle George Harrison played for Everton and England.

1892–93 Newcastle United F.C. season: The 1892–93 season was the first season in the history of Newcastle United after the merger of Newcastle East End and Newcastle West End.  The club started the season as Newcastle East End, taking the name Newcastle United during December.  They participated in the Northern League, the only season they have not competed in The Football League, finishing in second place behind Middlesbrough Ironopolis.  They also competed in the FA Cup, but lost in the first round to Middlesbrough.

Newcastle West GAA: Newcastle West GAA club is a Gaelic Athletic Association club located in Newcastle West, County Limerick, Ireland.  The club was founded in 1887 and fields teams in both hurling and Gaelic football.

History of Newcastle United F.C.: Newcastle United is an English professional association football club based in Newcastle upon Tyne, Tyne and Wear.  Formed by a merger between Newcastle East End and Newcastle West End in 1892, the club was elected to the Football League, which they entered in 1893.

John Scott (footballer, born 1872): Scott played for Cameron Highlanders as a youth, before coming to prominence with local club Leith Athletic.  It was here that he was spotted by English side Sheffield United who signed him in December 1891 to play in the Northern League.  Scott scored on his league debut in a 5–1 victory over Newcastle West End a few days later and would go on to also score on his debut in both the FA Cup (during a 3–0 victory over Blackpool a month later) and on his Football League debut (in a 2–0 victory over Small Heath in September 1892).  Described by United trainer George Waller (regarded as an excellent judge of players) during a contemporary interview as "one of the best", Scott played regularly until his was surprisingly transferred in December 1892, a year after his arrival.

Newcastle East End F.C.: Newcastle East End Football Club were an English football club which briefly played in the Northern League and the FA Cup in the late 19th century.  Their entire history was played out during the Victorian era in Newcastle upon Tyne.  The club are most noted for being one of the two football sides that merged to form Newcastle United in 1892.

Supporting paragraphs: Jack Fairbrother Newcastle United F.C.
Answer: Newcastle United Football Club