CREATE TABLE table_30489 ("No." FLOAT, "#" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB, "U.S. viewers  ( million ) " CLOB)

what are the numbers of episodes that had 0.79 million US views?
SELECT "#" FROM table_30489 WHERE "U.S. viewers (million)" = '0.79'
SELECT "#" FROM "table_30489" WHERE "U.S. viewers (million)" = '0.79'