CREATE TABLE table_24450 ("Chassis code" TEXT, "Model no." TEXT, "Production years" TEXT, "Drivetrain" TEXT, "Transmission" TEXT, "Engine type" TEXT, "Engine code" TEXT, "Region ( s ) " TEXT)

Name the regions for usf45
SELECT "Region(s)" FROM table_24450 WHERE "Chassis code" = 'USF45'
SELECT "Region(s)" FROM "table_24450" WHERE "Chassis code" = 'USF45'