CREATE TABLE table_name_53 (round VARCHAR, venue VARCHAR, opponent VARCHAR)

Which round has a Venue of nicosia, and a Opponent of levski sofia zapad?
SELECT round FROM table_name_53 WHERE venue = "nicosia" AND opponent = "levski sofia zapad"
SELECT "round" FROM "table_name_53" WHERE "levski sofia zapad" = "opponent" AND "nicosia" = "venue"