CREATE TABLE table_12121 ("Team 1" TEXT, "Agg." TEXT, "Team 2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

When Cementarnica is team 2 what is the aggregate score?
SELECT "Agg." FROM table_12121 WHERE "Team 2" = 'cementarnica'
SELECT "Agg." FROM "table_12121" WHERE "Team 2" = 'cementarnica'