CREATE TABLE table_74024 ("Season" FLOAT, "Episodes" FLOAT, "Timeslot  (  ET  ) " CLOB, "Season premiere" CLOB, "Season finale" CLOB, "TV season" CLOB, "Rank" CLOB, "Viewers  ( in millions ) " CLOB)

How many seasons was the rank equal to #50?
SELECT COUNT("Season") FROM table_74024 WHERE "Rank" = '#50'
SELECT COUNT("Season") FROM "table_74024" WHERE "Rank" = '#50'