CREATE TABLE table_14228 ("School" CLOB, "Location" CLOB, "Mascot" CLOB, "Enrollment 12-13" FLOAT, "IHSAA Class" CLOB, "IHSAA Class Football" CLOB, "County" CLOB, "Year Joined" FLOAT, "Previous Conference" CLOB)

Which IHSAA class does speedway school belong to?
SELECT "IHSAA Class" FROM table_14228 WHERE "School" = 'speedway'
SELECT "IHSAA Class" FROM "table_14228" WHERE "School" = 'speedway'