List of political parties in Northern Ireland

Columns: Leader | Years | Party/Period | Constituency
James Kilfedder | 15y | Ulster Popular Unionist Party 1980-1995 | North Down | Margaret Buckley | 13y | Sinn Féin 1937-1950 | Robert McCartney | 13y | UK Unionist Party 1995-2008 | North Down | James McSparran | 13y | Nationalist Party 1945-1958 | Mourne | Oliver Napier | 12y | Alliance Party 1972-1984 | Thomas Joseph Campbell | 11y | Nationalist Party 1934-1945 | Belfast Central

Example questions:
What is the birthday of the Northern Ireland political party leader who was in charge for 28y ? | The person born on 18 January 1937 was in charge of their Northern Ireland political party for how many years ? | Who was the leader for the Northern Ireland political party founded in 1912 in Clonmel ? | The leader that studied at St Malachy 's College and the Royal University of Ireland is a part of what Northern Ireland political party ?

Answers:
2 November 1900 | 22y | William Norton | Nationalist Party