CREATE TABLE table_204_155 (id NUMBER, "rank" NUMBER, "heat" NUMBER, "athlete" CLOB, "nationality" CLOB, "time" NUMBER, "notes" CLOB)

besides russia which other nation had an athlete ranked in the top 3 ?
SELECT "nationality" FROM table_204_155 WHERE "nationality" <> 'russia' AND "rank" <= 3
SELECT "nationality" FROM "table_204_155" WHERE "nationality" <> 'russia' AND "rank" <= 3