CREATE TABLE table_17898 ("Episode #" FLOAT, "Series #" FLOAT, "Title" CLOB, "Director" CLOB, "Writer" CLOB, "Original airdate" CLOB, "Viewers  ( in millions ) " CLOB)

What number episode had 5.74 million viewers?
SELECT "Episode #" FROM table_17898 WHERE "Viewers (in millions)" = '5.74'
SELECT "Episode #" FROM "table_17898" WHERE "Viewers (in millions)" = '5.74'