Andrew William Smith (born 25 September 1980) is a former Northern Ireland international footballer.
 He had a 16-year career playing professional and semi-professional football in Northern Ireland, England, Scotland, Belgium, and Portugal.
 He also won 18 caps for Northern Ireland between 2003 and 2005 and one cap for the Northern Ireland B team in 2003.
Samuel Edward Campbell Chapman (born 16 February 1938 in Belfast, Northern Ireland) is a former Northern Ireland international footballer and football manager.
Kingsley Terence Black (born 22 June 1968) is a former Northern Ireland international footballer who played as a Midfielder from 1987 until 2002, notably in the Premier League for Nottingham Forest, as well as earning 30 caps for Northern Ireland, scoring once.
Warren James Feeney (born 17 January 1981) is a former Northern Ireland international footballer and football manager.
 In making his debut for the Northern Ireland national team, he became the third generation of his family to receive an international cap, after his father Warren Feeney, Sr. and grandfather Jim Feeney.
Jimmy Thomson (10 April 1937 – 4 August 2012) was a Scottish football player and manager.
 He played for St Mirren, Dunfermline Athletic and Raith Rovers, and then managed Scottish Football League clubs Berwick Rangers and Raith Rovers.
 Thomson was one of four Raith managers in the space of fourteen months following Jimmy Nicholl's move to Millwall in 1996.
 Thomson also served Raith's Fife rivals Dunfermline Athletic as caretaker manager in two different spells.
David Anthony Campbell (born 2 June 1965 in Eglington, Northern Ireland) is a former Northern Ireland international footballer who played in the midfield position.
James Michael Nicholl (born 28 February 1956) is a Canadian-born former Northern Ireland international footballer who played for several clubs, including Manchester United and Rangers.
 He was mainly a right-back but could also play in other defensive roles.
 Nicholl won a total of 73 international caps for Northern Ireland, scoring one goal.
Henry "Harry" Gregg MBE (born 27 October 1932) is a former Northern Ireland international footballer and manager.
 He made 25 appearances for Northern Ireland as a goalkeeper and played for Manchester United during the reign of Sir Matt Busby, with a total of 247 appearances for the club.
 He is a survivor of the Munich air disaster in 1958.
 Gregg also played for Doncaster Rovers and Stoke City and later went into management with Carlisle United, Crewe Alexandra, Shrewsbury Town and Swansea City.
James Cleary (born Enniskillen, Northern Ireland, 27 May 1956) is a former Northern Ireland international footballer who played for Enniskillen Rangers, Portadown and Glentoran.
Barry Hunter (born 18 November 1968, Coleraine, Northern Ireland) is a former Northern Ireland international footballer turned scout.

Question: When a Candian-born former Northern Ireland International footballer moved to Millwall how many managers did the team go through in fourteen months?
Answer: four