CREATE TABLE table_30091 ("No. in series" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "U.S. viewers  ( millions ) " CLOB)

How many items are listed for U.S. viewers for episode number 5 in the series?
SELECT COUNT("U.S. viewers (millions)") FROM table_30091 WHERE "No. in series" = '5'
SELECT COUNT("U.S. viewers (millions)") FROM "table_30091" WHERE "No. in series" = '5'