CREATE TABLE table_21780 ("Club" CLOB, "Played" CLOB, "Won" CLOB, "Drawn" CLOB, "Lost" CLOB, "Points for" CLOB, "Points against" CLOB, "Points difference" CLOB, "Bonus Points" CLOB, "Points" CLOB)

How many points against have a lose of 13?
SELECT "Points against" FROM table_21780 WHERE "Lost" = '13'
SELECT "Points against" FROM "table_21780" WHERE "Lost" = '13'