CREATE TABLE table_202_285 (id NUMBER, "city" CLOB, "country  ( noc ) " CLOB, "round 1" NUMBER, "run-off" NUMBER, "round 3" NUMBER, "round 4" NUMBER, "round 5" NUMBER)

which cities made it to round 5 ?
SELECT "city" FROM table_202_285 WHERE NOT "round 5" IS NULL
SELECT "city" FROM "table_202_285" WHERE NOT "round 5" IS NULL