CREATE TABLE table_18836 ("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 name of the column points against?
SELECT "Points against" FROM table_18836 WHERE "Points" = 'Points'
SELECT "Points against" FROM "table_18836" WHERE "Points" = 'Points'