CREATE TABLE table_45884 ("Team 1" TEXT, "Agg." TEXT, "Team 2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

What is the team 1 with a 3-0 2nd leg?
SELECT "Team 1" FROM table_45884 WHERE "2nd leg" = '3-0'
SELECT "Team 1" FROM "table_45884" WHERE "2nd leg" = '3-0'