CREATE TABLE table_3050 ("Seed" FLOAT, "Rank" FLOAT, "Player" CLOB, "Points" FLOAT, "Points defending" CLOB, "Points won" FLOAT, "New points" FLOAT, "Status" CLOB)

How many new defense points over 280 did agnieszka radwa ska score?
SELECT MAX("New points") FROM table_3050 WHERE "Points defending" = '280' AND "Player" = 'Agnieszka Radwańska'
SELECT MAX("New points") FROM "table_3050" WHERE "Player" = 'Agnieszka Radwańska' AND "Points defending" = '280'