CREATE TABLE table_23476 ("#" FLOAT, "Title" TEXT, "Maneater" TEXT, "Television Premiere" TEXT, "DVD release" TEXT, "Writer" TEXT, "Director" TEXT, "Producer" TEXT)

When was the dvd release directed by Billy O'Brien?
SELECT "DVD release" FROM table_23476 WHERE "Director" = 'Billy O''Brien'
SELECT "DVD release" FROM "table_23476" WHERE "Director" = 'Billy O\'Brien'