CREATE TABLE table_38474 ("School Year" CLOB, "Class A" CLOB, "Class AA" CLOB, "Class AAA" CLOB, "Class AAAA" CLOB, "Class AAAAA" CLOB)

What is the Class AA with a Class AAAA of Sulphur Springs and Duncanville as the class AAAAA?
SELECT "Class AA" FROM table_38474 WHERE "Class AAAA" = 'sulphur springs' AND "Class AAAAA" = 'duncanville'
SELECT "Class AA" FROM "table_38474" WHERE "Class AAAA" = 'sulphur springs' AND "Class AAAAA" = 'duncanville'