CREATE TABLE table_73752 ("Character" TEXT, "English version" TEXT, "Laserdisc edition" TEXT, "Buena Vista edition" TEXT, "Special edition" TEXT)

who is the buena vista edidtion where special edition is koichi sakaguchi?
SELECT "Buena Vista edition" FROM table_73752 WHERE "Special edition" = 'Koichi Sakaguchi'
SELECT "Buena Vista edition" FROM "table_73752" WHERE "Special edition" = 'Koichi Sakaguchi'