CREATE TABLE table_27048 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" FLOAT)

What was the production code for the episode that debuted October 1, 1993?
SELECT MAX("Production code") FROM table_27048 WHERE "Original air date" = 'October 1, 1993'
SELECT MAX("Production code") FROM "table_27048" WHERE "Original air date" = 'October 1, 1993'