CREATE TABLE table_39870 ("Team #1" TEXT, "Agg." TEXT, "Team #2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

In the round that had a 2nd leg score of 0-2, what did they score for the 1st leg?
SELECT "1st leg" FROM table_39870 WHERE "2nd leg" = '0-2'
SELECT "1st leg" FROM "table_39870" WHERE "2nd leg" = '0-2'