CREATE TABLE table_41067 ("Television service" TEXT, "Country" TEXT, "Language" TEXT, "Content" TEXT, "HDTV" TEXT, "Package/Option" TEXT)

What is HDTV, when Television Service is MTV Rocks?
SELECT "HDTV" FROM table_41067 WHERE "Television service" = 'mtv rocks'
SELECT "HDTV" FROM "table_41067" WHERE "Television service" = 'mtv rocks'