CREATE TABLE table_203_718 (id NUMBER, "pos" CLOB, "rider" CLOB, "manufacturer" CLOB, "time/retired" CLOB, "points" NUMBER)

who earned the most points at the 250cc valencian community motorcycle grand prix ?
SELECT "rider" FROM table_203_718 ORDER BY "points" DESC LIMIT 1
SELECT "rider" FROM "table_203_718" ORDER BY "points" DESC FETCH FIRST 1 ROWS ONLY