CREATE TABLE table_24897 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( millions ) " TEXT)

Who wrote the title with the production code is 7acx08?
SELECT "Written by" FROM table_24897 WHERE "Production code" = '7ACX08'
SELECT "Written by" FROM "table_24897" WHERE "Production code" = '7ACX08'