question: How many episodes were directed by Jeff Melman and 1.21million viewers?
answer: SELECT MIN(no_in_season) FROM table_28334498_3 WHERE directed_by = "Jeff Melman" AND us_viewers__millions_ = "1.21"
context: CREATE TABLE table_28334498_3 (no_in_season INTEGER, directed_by VARCHAR, us_viewers__millions_ VARCHAR)