CREATE TABLE table_3707 ("No. in series" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( million ) " TEXT)

Title is the total number where u.s. viewers (million) is 7.56.
SELECT COUNT("Title") FROM table_3707 WHERE "U.S. viewers (million)" = '7.56'
SELECT COUNT("Title") FROM "table_3707" WHERE "U.S. viewers (million)" = '7.56'