CREATE TABLE table_3810 ("Sd" FLOAT, "Rk" FLOAT, "Player" TEXT, "Points" FLOAT, "Points defending" FLOAT, "Points won" FLOAT, "New points" FLOAT, "Status" TEXT)

What are the maximum points defended when points won are smaller than 720.0?
SELECT MAX("Points defending") FROM table_3810 WHERE "Points won" < '720.0'
SELECT MAX("Points defending") FROM "table_3810" WHERE "Points won" < '720.0'