List of political parties in Northern Ireland

Columns: Leader | Years | Party/Period | Constituency
Albert McElroy | 19y | Ulster Liberal Party 1956-1975 ( ? ) | Lord Craigavon | 19y | Ulster Unionist Party 1921-1940 | Down , North Down | John Redmond | 18y | Irish Parliamentary Party 1900-1918 | Waterford City | Lord Brookeborough | 17y | Ulster Unionist Party 1946-1963 | Lisnaskea | James Molyneaux | 16y | Ulster Unionist Party 1979-1995 | South Antrim , Lagan Valley | Joseph Devlin | 16y | Nationalist Party 1918-1934 | Belfast Falls , Fermanagh and Tyrone , Belfast Central | Gerry Fitt | 15y | Republican Labour Party 1964-1970 Social Democratic and Labour Party 1970-1979 | Belfast West , Belfast Dock

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