CREATE TABLE table_12092 ("Edition" CLOB, "Round" CLOB, "Date" CLOB, "Partnering" CLOB, "Against" CLOB, "Surface" CLOB, "Opponents" CLOB, "Result" CLOB)

For what round was the opponent nikola iri du an vemi ?
SELECT "Round" FROM table_12092 WHERE "Opponents" = 'nikola ćirić dušan vemić'
SELECT "Round" FROM "table_12092" WHERE "Opponents" = 'nikola ćirić dušan vemić'