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

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'