CREATE TABLE table_70499 ("Team 1" TEXT, "Agg." TEXT, "Team 2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

What was the 2nd leg score of the aggregate score of 4-9?
SELECT "2nd leg" FROM table_70499 WHERE "Agg." = '4-9'
SELECT "2nd leg" FROM "table_70499" WHERE "Agg." = '4-9'