CREATE TABLE table_24703 ("Series #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Prod. code" TEXT)

Who wore the episode with the production code of 1apx11?
SELECT "Written by" FROM table_24703 WHERE "Prod. code" = '1APX11'
SELECT "Written by" FROM "table_24703" WHERE "Prod. code" = '1APX11'