CREATE TABLE table_8582 ("DVD title" TEXT, "Season" TEXT, "Aspect ratio" TEXT, "Episode count" FLOAT, "Time length" TEXT, "Release date" TEXT)

What the episode count for Ben 10: Alien Force Volume 8 on DVD?
SELECT "Episode count" FROM table_8582 WHERE "DVD title" = 'ben 10: alien force volume 8'
SELECT "Episode count" FROM "table_8582" WHERE "DVD title" = 'ben 10: alien force volume 8'