CREATE TABLE table_22995 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "U.S. viewers  ( millions ) " TEXT)

who write the episode that have 14.39 million viewers
SELECT "Written by" FROM table_22995 WHERE "U.S. viewers (millions)" = '14.39'
SELECT "Written by" FROM "table_22995" WHERE "U.S. viewers (millions)" = '14.39'