CREATE TABLE table_46209 ("Club" TEXT, "Played" TEXT, "Drawn" TEXT, "Lost" TEXT, "Points for" TEXT, "Points against" TEXT, "Points difference" TEXT, "Points" TEXT)

Which Points against has a Lost of 13, and Points for of 671?
SELECT "Points against" FROM table_46209 WHERE "Lost" = '13' AND "Points for" = '671'
SELECT "Points against" FROM "table_46209" WHERE "Lost" = '13' AND "Points for" = '671'