CREATE TABLE table_36557 ("School Year" CLOB, "Class A" CLOB, "Class AA" CLOB, "Class AAA" CLOB, "Class AAAA" CLOB, "Class AAAAA" CLOB)

what AA class has a AAA class of commerce?
SELECT "Class AA" FROM table_36557 WHERE "Class AAA" = 'commerce'
SELECT "Class AA" FROM "table_36557" WHERE "Class AAA" = 'commerce'