Table: desperate_housewives_episodes_2
Columns: season
timeslot_edt
season_premiere
season_finale
tv_season
rank
viewers_in_millions
18_49_average

Question: Which season had a season finale of May 13, 2012?
SQL: SELECT SUM("season") FROM desperate_housewives_episodes_2 WHERE "season_finale" = 'may 13, 2012'

Question: How many viewers (in millions) were there for the season premiere on September 26, 2010?
SQL: SELECT "viewers_in_millions" FROM desperate_housewives_episodes_2 WHERE "season_premiere" = 'september 26, 2010'