CREATE TABLE table_74033 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB, "U.S. viewers  ( millions ) " CLOB)

Who was the writer of the episode with a production code of 5aky04?
SELECT "Written by" FROM table_74033 WHERE "Production code" = '5AKY04'
SELECT "Written by" FROM "table_74033" WHERE "Production code" = '5AKY04'