CREATE TABLE table_41603 ("Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT)

What is the name of the director of the episode written by robin schwartz & robert tarlow?
SELECT "Directed by" FROM table_41603 WHERE "Written by" = 'robin schwartz & robert tarlow'
SELECT "Directed by" FROM "table_41603" WHERE "Written by" = 'robin schwartz & robert tarlow'