CREATE TABLE table_19652 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" FLOAT)

What is the production code for episode 229?
SELECT MAX("Production code") FROM table_19652 WHERE "No. in series" = '229'
SELECT MAX("Production code") FROM "table_19652" WHERE "No. in series" = '229'