CREATE TABLE table_24879 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT)

What are all the production codes of episodes written by Michael G. Moye?
SELECT "Production code" FROM table_24879 WHERE "Written by" = 'Michael G. Moye'
SELECT "Production code" FROM "table_24879" WHERE "Written by" = 'Michael G. Moye'