CREATE TABLE table_24885 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT)

What is the production code of the episode directed by Stacie Lipp?
SELECT "Production code" FROM table_24885 WHERE "Written by" = 'Stacie Lipp'
SELECT "Production code" FROM "table_24885" WHERE "Written by" = 'Stacie Lipp'