CREATE TABLE table_21374 ("Official Name" TEXT, "Status" TEXT, "Area km 2" TEXT, "Population" FLOAT, "Census Ranking" TEXT)

What are the area(s) (km2) for saint-joseph?
SELECT "Area km 2" FROM table_21374 WHERE "Official Name" = 'Saint-Joseph'
SELECT "Area km 2" FROM "table_21374" WHERE "Official Name" = 'Saint-Joseph'