CREATE TABLE table_24256 ("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)

in the number of episode in season is 11, who was the writer?
SELECT "Written by" FROM table_24256 WHERE "No. in season" = '11'
SELECT "Written by" FROM "table_24256" WHERE "No. in season" = '11'