CREATE TABLE table_60348 ("Tie no" TEXT, "Home team" TEXT, "Score" TEXT, "Away team" TEXT, "Date" TEXT)

What is the Tie no of the Blackburn Rovers Away game?
SELECT "Tie no" FROM table_60348 WHERE "Away team" = 'blackburn rovers'
SELECT "Tie no" FROM "table_60348" WHERE "Away team" = 'blackburn rovers'