CREATE TABLE table_338 ("Dep." TEXT, "Chief town" TEXT, "Arrondissement" TEXT, "Population  ( 1999 ) " TEXT, "Area  ( Square km ) " FLOAT, "Pop density" FLOAT, "Cantons" FLOAT, "Communes" FLOAT)

What is the area (square km) where the arrondissement is millau?
SELECT MIN("Area (Square km)") FROM table_338 WHERE "Arrondissement" = 'Millau'
SELECT MIN("Area (Square km)") FROM "table_338" WHERE "Arrondissement" = 'Millau'