what are all of the listed school years?
1994-95, 1995-96, 1996-97, 1997-98, 1998-99, 1999-2000, 2000-01, 2001-02, 2002-03, 2003-04, 2004-05, 2005-06, 2006-07, 2007-08, 2008-09
what are all of the class aa names?
van alstyne, coahoma, marion, edgewood, lindsay, keene, edgewood, edgewood, rosebud-lott, wall, mount pleasant chapel hill, centerville, crawford, grandview, shelbyville
during which year did keene win?
1999-2000