CREATE TABLE table_203_378 (id NUMBER, "against" CLOB, "played" NUMBER, "won" NUMBER, "drawn" NUMBER, "lost" NUMBER, "win %" CLOB)

at most , what is spain 's win percentage against another country .
SELECT "win %" FROM table_203_378 ORDER BY "win %" DESC LIMIT 1
SELECT "win %" FROM "table_203_378" ORDER BY "win %" DESC FETCH FIRST 1 ROWS ONLY