CREATE TABLE table_31326 ("Series #" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB, "U.S. viewers  ( million ) " CLOB)

Who is the director when the title is 'believers'?
SELECT "Directed by" FROM table_31326 WHERE "Title" = 'Believers'
SELECT "Directed by" FROM "table_31326" WHERE "Title" = 'Believers'