CREATE TABLE table_22896 ("No." FLOAT, "#" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB, "U.S. viewers  ( million ) " CLOB)

How many u.s. viewers (million) have the production code of 5.09?
SELECT "U.S. viewers (million)" FROM table_22896 WHERE "Production code" = '5.09'
SELECT "U.S. viewers (million)" FROM "table_22896" WHERE "Production code" = '5.09'