CREATE TABLE table_57693 ("Team" TEXT, "Constructor" TEXT, "Chassis" TEXT, "Engine \\u2020" TEXT, "Tyre" TEXT, "Driver" TEXT, "Rounds" TEXT)

Who built Alex Yoong's car?
SELECT "Constructor" FROM table_57693 WHERE "Driver" = 'alex yoong'
SELECT "Constructor" FROM "table_57693" WHERE "Driver" = 'alex yoong'