CREATE TABLE table_74245 ("\\u2116" FLOAT, "#" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB, "U.S. viewers  ( millions ) " CLOB)

Who wrote the episode which was directed by Nick Marck?
SELECT "Written by" FROM table_74245 WHERE "Directed by" = 'Nick Marck'
SELECT "Written by" FROM "table_74245" WHERE "Directed by" = 'Nick Marck'