Tolong jelaskan mengenai Ulster Cup: 15 dari Linfield F.C.

1948/49, 1955/56, 1956/57, 1959/60, 1961/62, 1964/65, 1967/68, 1970/71, 1971/72, 1974/75, 1977/78, 1978/79, 1979/80, 1984/85, 1992/93

1898/99, 1903/04, 1905/06, 1906/07, 1907/08, 1912/13, 1913/14, 1916/17, 1921/22, 1922/23, 1927/28, 1928/29, 1929/30, 1931/32, 1932/33, 1933/34, 1934/35, 1937/38, 1941/42, 1946/47, 1948/49†, 1952/53, 1954/55, 1957/58, 1958/59, 1960/61, 1961/62, 1962/63, 1965/66, 1966/67, 1972/73, 1976/77, 1980/81, 1981/82, 1982/83, 1983/84, 1994/95, 1997/98, 2000/01, 2003/04, 2004/05, 2005/06