CREATE TABLE table_204_576 (id NUMBER, "year" NUMBER, "best" CLOB, "location" CLOB, "date" CLOB, "world rank" CLOB)

who had the best time ostrava or berlin ?
SELECT "location" FROM table_204_576 WHERE "location" IN ('ostrava', 'berlin') ORDER BY "best" LIMIT 1
SELECT "location" FROM "table_204_576" WHERE "location" IN ('ostrava', 'berlin') ORDER BY "best" FETCH FIRST 1 ROWS ONLY