CREATE TABLE table_24743 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( millions ) " TEXT)

How many of the writers had 5.35 viewers?
SELECT COUNT("Written by") FROM table_24743 WHERE "U.S. viewers (millions)" = '5.35'
SELECT COUNT("Written by") FROM "table_24743" WHERE "U.S. viewers (millions)" = '5.35'