CREATE TABLE table_204_59 (id NUMBER, "rank" NUMBER, "athlete" CLOB, "nationality" CLOB, "time" CLOB)

which country had the most finishers in the top 8 ?
SELECT "nationality" FROM table_204_59 GROUP BY "nationality" ORDER BY COUNT("athlete") DESC LIMIT 1
SELECT "nationality" FROM "table_204_59" GROUP BY "nationality" ORDER BY COUNT("athlete") DESC FETCH FIRST 1 ROWS ONLY