CREATE TABLE table_35439 ("Volume:Issue" TEXT, "Issue Date ( s ) " TEXT, "Weeks on Top" FLOAT, "Song" TEXT, "Artist" TEXT)

What was the issue date for the single with a Volume:Issue of 47:8-9?
SELECT "Issue Date(s)" FROM table_35439 WHERE "Volume:Issue" = '47:8-9'
SELECT "Issue Date(s)" FROM "table_35439" WHERE "Volume:Issue" = '47:8-9'