CREATE TABLE table_75823 ("Season" CLOB, "Competition" CLOB, "Round" CLOB, "Opponent" CLOB, "Home" CLOB, "Away" CLOB, "Series" CLOB)

Which Round has a Competition of uefa cup, and a Series of 5 2?
SELECT "Round" FROM table_75823 WHERE "Competition" = 'uefa cup' AND "Series" = '5–2'
SELECT "Round" FROM "table_75823" WHERE "Competition" = 'uefa cup' AND "Series" = '5–2'