CREATE TABLE table_72484 ("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's the won with points against being 597
SELECT "Won" FROM table_72484 WHERE "Points against" = '597'
SELECT "Won" FROM "table_72484" WHERE "Points against" = '597'