 Complete the following phrase:  At the annual press conference during the 2016 24 Hours of Spa on 29 July, the Stéphane Ratel Organisation announced the first draft of the 2017 calendar. The series started at Misano on 2 April and ended at the Nürburgring on 17 September. Zandvoort would make its return on the schedule after a one-year absence, replacing the round in 