CREATE TABLE table_34947 ("Phase" TEXT, "Round" TEXT, "Draw date" TEXT, "First leg" TEXT, "Second leg" TEXT)

What was the second leg score from the group stage on matchday 5?
SELECT "Second leg" FROM table_34947 WHERE "Phase" = 'group stage' AND "Round" = 'matchday 5'
SELECT "Second leg" FROM "table_34947" WHERE "Phase" = 'group stage' AND "Round" = 'matchday 5'