CREATE TABLE table_42509 ("Tie no" TEXT, "Home team" TEXT, "Score" TEXT, "Away team" TEXT, "Date" TEXT)

What was the score of the replay at Millwall?
SELECT "Score" FROM table_42509 WHERE "Tie no" = 'replay' AND "Home team" = 'millwall'
SELECT "Score" FROM "table_42509" WHERE "Home team" = 'millwall' AND "Tie no" = 'replay'