sentences:  Although the team remained based in the UK, it chose to register under the Dutch motor racing authority and therefore run under the Dutch flag during 2007, reflecting its new ownership.For the second race driver, Spyker signed one of their 2006 third drivers, Adrian Sutil, to drive for the team in 2007.The official FIA entry list for 2007 was posted on various websites on 4 December 2006, and on the list the Spyker F1 Team was assigned car numbers 20 and 21, but only Christijan Albers' name was made official on the entry list, with the second seat, and car number 21 left TBA, since Sutil had not been confirmed at the time.