CREATE TABLE table_30978 ("Season no." FLOAT, "Series no." FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" FLOAT, "U.S. viewers  ( millions ) " CLOB)

How many million viewers in the US did the episode titled 'Cadaver' have?
SELECT "U.S. viewers (millions)" FROM table_30978 WHERE "Title" = 'Cadaver'
SELECT "U.S. viewers (millions)" FROM "table_30978" WHERE "Title" = 'Cadaver'