CREATE TABLE table_30478 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" FLOAT, "U.S. viewers  ( millions ) " TEXT)

How many episodes were directed by Jeff Melman and 1.21million viewers?
SELECT MIN("No. in season") FROM table_30478 WHERE "Directed by" = 'Jeff Melman' AND "U.S. viewers (millions)" = '1.21'
SELECT MIN("No. in season") FROM "table_30478" WHERE "Directed by" = 'Jeff Melman' AND "U.S. viewers (millions)" = '1.21'