 Complete the following phrase:  It has hosted the Mens ACC Tournament twenty-three times since 1967 and the Womens ACC Tournament twelve times since 2000. Other notable sporting events include the National Collegiate Athletic Association NCAA Mens Final Four in 1974 and the East Regionals in 1976, 1979 and 1998. More recently, the Coliseum has hosted the U.S. Figure Skating Championships in 2011, 