CREATE TABLE table_29799 ("No ( s ) . in series" FLOAT, "No ( s ) . in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code ( s ) " FLOAT, "U.S. viewers  ( millions ) " TEXT)

What is the episode number of the episode whose production code is 226407?
SELECT MIN("No(s). in season") FROM table_29799 WHERE "Production code(s)" = '226407'
SELECT MIN("No(s). in season") FROM "table_29799" WHERE "Production code(s)" = '226407'