CREATE TABLE table_30249 ("No." FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" FLOAT, "U.S. viewers  ( million ) " TEXT)

How many million u.s. viewers saw the episode that was directed by roger young and written by debra j. fisher?
SELECT "U.S. viewers (million)" FROM table_30249 WHERE "Directed by" = 'Roger Young' AND "Written by" = 'Debra J. Fisher'
SELECT "U.S. viewers (million)" FROM "table_30249" WHERE "Directed by" = 'Roger Young' AND "Written by" = 'Debra J. Fisher'