CREATE TABLE table_28257 ("No." FLOAT, "#" FLOAT, "Title" CLOB, "Director" CLOB, "Writer ( s ) " CLOB, "Original air date" CLOB, "Prod. code" FLOAT, "U.S. viewers  ( million ) " CLOB)

How many viewers in millions for episode number 38?
SELECT "U.S. viewers (million)" FROM table_28257 WHERE "No." = '38'
SELECT "U.S. viewers (million)" FROM "table_28257" WHERE "No." = '38'