Question: when is the last time unc won the acc tournament
Answer: School Year joined Winners Years Duke 1953 20 1960 , 1963 , 1964 , 1966 , 1978 , 1980 , 1986 , 1988 , 1992 , 1999 , 2000 , 2001 , 2002 , 2003 , 2005 , 2006 , 2009 , 2010 , 2011 , 2017 North Carolina 1953 18 1957 , 1967 , 1968 , 1969 , 1972 , 1975 , 1977 , 1979 , 1981 , 1982 , 1989 , 1991 , 1994 , 1997 , 1998 , 2007 , 2008 , 2016 NC State 1953 10 1954 , 1955 , 1956 , 1959 , 1965 , 1970 , 1973 , 1974 , 1983 , 1987 Wake Forest 1953 1961 , 1962 , 1995 , 1996 Maryland 1953 1958 , 1984 , 2004 Georgia Tech 1978 1985 , 1990 , 1993 Virginia 1953 1976 , 2014 , 2018 Florida State 1991 2012 Miami 2013 Notre Dame 2013 2015 South Carolina 1953 1971 Clemson 1953 0 -- Virginia Tech 0 -- Boston College 2005 0 -- Syracuse 2013 0 -- Pittsburgh 2013 0 -- Louisville 2014 0 --