 Complete the following phrase:  In January 2019, The Province, the main newspaper in Vancouver, reported that the then-upcoming 2019 USA Sevens would be the last in Las Vegas, at least for the immediate future. At the time, World Rugby was preparing to announce the hosts for the Sevens Series events for its next four-year cycle, starting with 201920 and running through 202223. Reasons cited were stadium issues and poor living environment at the team hotels. Possible options were a return to San Diego, or moves to San Francisco which hosted the 