CREATE TABLE table_15887683_3 (package_option VARCHAR2, television_service VARCHAR2)

What packages offer the Cartello Promozionale Sky HD service?
SELECT package_option FROM table_15887683_3 WHERE television_service = "Cartello promozionale Sky HD"
SELECT "package_option" FROM "table_15887683_3" WHERE "Cartello promozionale Sky HD" = "television_service"