CREATE TABLE table_19459 ("School Year" CLOB, "Class A" CLOB, "Class AA" CLOB, "Class AAA" CLOB, "Class AAAA" CLOB, "Class AAAAA" CLOB)

Name the class a for carthage
SELECT "Class A" FROM table_19459 WHERE "Class AAAA" = 'Carthage'
SELECT "Class A" FROM "table_19459" WHERE "Class AAAA" = 'Carthage'