CREATE TABLE table_43659 ("Team 1" TEXT, "Agg." TEXT, "Team 2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

What is the 2nd leg for Barcelona Team 2?
SELECT "2nd leg" FROM table_43659 WHERE "Team 2" = 'barcelona'
SELECT "2nd leg" FROM "table_43659" WHERE "Team 2" = 'barcelona'