CREATE TABLE table_18968 ("Series #" FLOAT, "Season #" FLOAT, "Title" TEXT, "Story by" TEXT, "Teleplay by" TEXT, "Directed by" TEXT, "Original air date" TEXT)

Who wrote the sorry of the episode directed by Dan Attias?
SELECT "Story by" FROM table_18968 WHERE "Directed by" = 'Dan Attias'
SELECT "Story by" FROM "table_18968" WHERE "Directed by" = 'Dan Attias'