CREATE TABLE table_22226 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB, "U.S. viewers  ( millions ) " CLOB)

How many episodes had a viewership of 2.65 million?
SELECT COUNT("No. in season") FROM table_22226 WHERE "U.S. viewers (millions)" = '2.65'
SELECT COUNT("No. in season") FROM "table_22226" WHERE "U.S. viewers (millions)" = '2.65'