question: When was the Northern Irish professional snooker player on which "The Rack Pack" focused on his rivalry born? 
answer: 18 March 1949
context: Title: Mark Allen (snooker player)
  Passage: Mark Allen (born 22 February 1986) is a Northern Irish professional snooker player.  He won the World Amateur Championship in 2004.  The following year he entered the Main Tour and took only three seasons to reach the elite top 16.  As a prolific break-builder, Allen has compiled more than 300 century breaks in professional competition.
  Title: Khaled Belaid Abumdas
  Passage: Khaled Belaid Abumdas (born 20 January 1987), also spelled Khalid, is a Libyan former professional snooker player.  He is the first professional snooker player from Libya, competing on the main tour between 2013 and 2015.
  Title: Alex Higgins
  Passage: Alexander Gordon "Alex" Higgins (18 March 1949 – 24 July 2010) was a Northern Irish professional snooker player, who is remembered as one of the most iconic figures in the game.  Nicknamed Hurricane Higgins because of his fast play, he was World Champion in 1972 and 1982, and runner-up in 1976 and 1980.  He won the UK Championship in 1983 and the Masters in 1978 and 1981, making him one of ten players to have completed snooker's Triple Crown.  He was also World Doubles champion with Jimmy White in 1984, and won the World Cup three times with the All-Ireland team.
  Title: Gerard Greene
  Passage: Gerard Eamonn Greene (born 12 November 1973 in Chatham, Kent, South East England) is a Northern Irish professional snooker player.  He represented Northern Ireland in international events, as his parents are from Belfast.
  Title: The Rack Pack
  Passage: The Rack Pack is a 2016 British comedy-drama television film about professional snooker during the 1970s through the 1980s, focusing on the intense rivalry between Alex Higgins and Steve Davis.  The film is directed by Brian Welsh and was released on BBC iPlayer on 17 January 2016.
  Title: Ross Muir
  Passage: Ross Muir (born 6 October 1995 in Edinburgh) is a Scottish professional snooker player.  He is noted for being the only professional snooker player who regularly wears a glove on the bridge hand, Muir turned professional in 2013 after graduating from event two of the Q School, defeating David Morris 4–0 in the final round.
citations: The Rack Pack Alex Higgins