CREATE TABLE table_21218 ("Province" TEXT, "Skip" TEXT, "W" FLOAT, "L" FLOAT, "PF" FLOAT, "PA" FLOAT, "Ends Won" FLOAT, "Ends Lost" FLOAT, "Blank Ends" FLOAT, "Stolen Ends" FLOAT, "Shot Pct." FLOAT)

How many points for did the team with Shannon Kleibrink as skip score?
SELECT MAX("PF") FROM table_21218 WHERE "Skip" = 'Shannon Kleibrink'
SELECT MAX("PF") FROM "table_21218" WHERE "Skip" = 'Shannon Kleibrink'