CREATE TABLE table_204_791 (id NUMBER, "event" CLOB, "winner" CLOB, "second" CLOB, "third" CLOB, "fourth" CLOB)

in what event did chelsea williams win her first title ?
SELECT "event" FROM table_204_791 WHERE "winner" = 'chelsea wlliams' ORDER BY "event" LIMIT 1
SELECT "event" FROM "table_204_791" WHERE "winner" = 'chelsea wlliams' ORDER BY "event" FETCH FIRST 1 ROWS ONLY