CREATE TABLE table_name_11 (school VARCHAR(255), _number___county VARCHAR(255), enrollment VARCHAR(255), ihsaa_class VARCHAR(255))
What school in 72 Scott county has an enrollment more than 473 with an AAA IHSAA Class?
    
SQL: SELECT school FROM table_name_11 WHERE enrollment > 473 AND ihsaa_class = "aaa" AND _number___county = "72 scott"