CREATE TABLE table_16101 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Setting" TEXT, "Directed by" TEXT, "Written by" TEXT, "U.S. viewers  ( million ) " TEXT, "Original air date" TEXT)

Who wrote the episode that was set in winter 1541/february 13, 1542?
SELECT "Written by" FROM table_16101 WHERE "Setting" = 'Winter 1541/February 13, 1542'
SELECT "Written by" FROM "table_16101" WHERE "Setting" = 'Winter 1541/February 13, 1542'