CREATE TABLE table_76091 ("Season" FLOAT, "Episodes" FLOAT, "Season Premiere" TEXT, "Season Finale" TEXT, "DVD Release Date" TEXT)

On what date was the DVD released for the season with fewer than 13 episodes that aired before season 8?
SELECT "DVD Release Date" FROM table_76091 WHERE "Season" < '8' AND "Episodes" < '13'
SELECT "DVD Release Date" FROM "table_76091" WHERE "Episodes" < '13' AND "Season" < '8'