CREATE TABLE table_30248 ("No." FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" FLOAT, "U.S. viewers  ( million ) " TEXT)

How many people wrote the episode that had 7.26 million u.s. viewers?
SELECT COUNT("Written by") FROM table_30248 WHERE "U.S. viewers (million)" = '7.26'
SELECT COUNT("Written by") FROM "table_30248" WHERE "U.S. viewers (million)" = '7.26'