CREATE TABLE table_21049 ("Club" CLOB, "Played" CLOB, "Won" CLOB, "Drawn" CLOB, "Lost" CLOB, "Points for" CLOB, "Points against" CLOB, "Points difference" CLOB, "Points" CLOB)

How many games played for the team with 686 points against?
SELECT "Played" FROM table_21049 WHERE "Points against" = '686'
SELECT "Played" FROM "table_21049" WHERE "Points against" = '686'