sentences:  In Turks and Caicos Islands, is no national cup; the Provo Premier League is the only national football competition in the country.Currently in the United States, the Double may mean either the MLS Double, which is achieved by winning both the MLS Supporters Shield and the MLS Cup, or a league/cup Double of either the MLS Cup or Supporters Shield, in addition to the U.S. Open Cup or Canadian Championship for United States and Canadian clubs, respectively.The Double may also be a combination of any of the domestic cups mentioned above and the CONCACAF Champions League.