CREATE TABLE table_73102 ("No. in season" FLOAT, "No. in series" FLOAT, "Title" TEXT, "Canadian airdate" TEXT, "US airdate" TEXT, "Production code" FLOAT)

What is the latest season number for a show with a production code of 816?
SELECT MAX("No. in season") FROM table_73102 WHERE "Production code" = '816'
SELECT MAX("No. in season") FROM "table_73102" WHERE "Production code" = '816'