CREATE TABLE table_18838 ("Club" TEXT, "Played" TEXT, "Won" TEXT, "Drawn" TEXT, "Lost" TEXT, "Points for" TEXT, "Points against" TEXT, "Tries for" TEXT, "Tries against" TEXT, "Try bonus" TEXT, "Losing bonus" TEXT, "Points" TEXT)

What is the played total when the points against was 321?
SELECT "Played" FROM table_18838 WHERE "Points against" = '321'
SELECT "Played" FROM "table_18838" WHERE "Points against" = '321'