CREATE TABLE table_7181 ("Television service" TEXT, "Country" TEXT, "Language" TEXT, "Content" TEXT, "HDTV" TEXT, "Package/Option" TEXT)

What is HDTV, when Television service is cartello promozionale sky hd?
SELECT "HDTV" FROM table_7181 WHERE "Television service" = 'cartello promozionale sky hd'
SELECT "HDTV" FROM "table_7181" WHERE "Television service" = 'cartello promozionale sky hd'