CREATE TABLE table_39028 ("Saddle cloth" FLOAT, "Horse" TEXT, "Trainer" TEXT, "Jockey" TEXT, "Weight  ( kg ) " FLOAT, "Barrier [b ]" TEXT, "Placing" TEXT)

Who rode mad rush?
SELECT "Jockey" FROM table_39028 WHERE "Horse" = 'mad rush'
SELECT "Jockey" FROM "table_39028" WHERE "Horse" = 'mad rush'