CREATE TABLE table_22313 ("No." FLOAT, "#" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Canadian air date" CLOB, "U.S. air date" CLOB, "Production code" FLOAT, "Canadian viewers  ( million ) " CLOB)

Who directed the episode with a production code of 301?
SELECT "Directed by" FROM table_22313 WHERE "Production code" = '301'
SELECT "Directed by" FROM "table_22313" WHERE "Production code" = '301'