CREATE TABLE table_31200 ("Skip  ( Club ) " TEXT, "W" FLOAT, "L" FLOAT, "PF" FLOAT, "PA" FLOAT, "Ends Won" FLOAT, "Ends Lost" FLOAT, "Blank Ends" FLOAT, "Stolen Ends" FLOAT)

What is the highest W of the 0 L?
SELECT MAX("W") FROM table_31200 WHERE "L" = '0'
SELECT MAX("W") FROM "table_31200" WHERE "L" = '0'