CREATE TABLE table_46999 ("Club" TEXT, "Played" 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 Lost, when Points For is '257'?
SELECT "Lost" FROM table_46999 WHERE "Points for" = '257'
SELECT "Lost" FROM "table_46999" WHERE "Points for" = '257'