CREATE TABLE table_204_630 (id NUMBER, "no" NUMBER, "date" CLOB, "race" CLOB, "track" CLOB, "winner" CLOB, "reports" CLOB)

which is longer the carolina or kentucky race ?
SELECT "race" FROM table_204_630 WHERE "race" IN ('carolina 500', 'kentucky') ORDER BY "no" DESC LIMIT 1
SELECT "race" FROM "table_204_630" WHERE "race" IN ('carolina 500', 'kentucky') ORDER BY "no" DESC FETCH FIRST 1 ROWS ONLY