CREATE TABLE table_3673 ("No." FLOAT, "#" FLOAT, "Title" TEXT, "Directed by" TEXT, "Story by" TEXT, "Teleplay by" TEXT, "Original air date" TEXT, "U.S. viewers  ( millions ) " TEXT)

Who wrote the teleplay for the episode directed by Tim Robbins?
SELECT "Teleplay by" FROM table_3673 WHERE "Directed by" = 'Tim Robbins'
SELECT "Teleplay by" FROM "table_3673" WHERE "Directed by" = 'Tim Robbins'