CREATE TABLE table_60762 ("Official Name" TEXT, "Status" TEXT, "Area km 2" FLOAT, "Population" FLOAT, "Census Ranking" TEXT)

How large, in square kilometers, is Sackville?
SELECT "Area km 2" FROM table_60762 WHERE "Official Name" = 'sackville'
SELECT "Area km 2" FROM "table_60762" WHERE "Official Name" = 'sackville'