CREATE TABLE table_24258 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" FLOAT, "US viewers  ( millions ) " CLOB)

How many episodes had the us viewers (millions) figure of 5.0?
SELECT COUNT("No. in season") FROM table_24258 WHERE "US viewers (millions)" = '5.0'
SELECT COUNT("No. in season") FROM "table_24258" WHERE "US viewers (millions)" = '5.0'