In what year was the team founded that won the 1956-1957 Irish League championship?
Glenavon F.C. Glenavon Football Club is a semi-professional, Northern Irish football club playing in the NIFL Premiership. The club, founded in 1889, hails from Lurgan and plays its home matches at Mourneview Park. Club colours are blue and white. Gary Hamilton has been player-manager of the Lurgan Blues since December 2011 following the resignation of Marty Quinn.
Cabinteely F.C. Cabinteely Football Club (Irish: "Cumann Peile Cábán tSíle" ) is an association football club based in Cabinteely, County Dublin, Ireland comprising adult and a large number of youth under-age teams for both males and females, 60 teams in all. Cabinteely competed in the 2015 League of Ireland after being granted a licence by the Football Association of Ireland in January.