 Complete the following phrase:  Hamilton took a controversial victory in Russia where, after falling behind Vettel in the pit stops before passing him on track, Mercedes ordered teammate Bottas to gift Hamilton the lead of the race to further extend his championship lead over Vettel. After the race, Hamilton described his teammate as a real gentleman. A commanding win from pole in Japan, with Vettel finishing in sixth after spinning in the race, followed by a podium finish in the United States meant Hamilton could clinch the title in Mexico for the second year running. Hamilton finished fourth in Mexico to clinch his fifth World Championship title with two races remaining. The newly crowned World Champion finished his season in imperious form with consecutive wins from pole in 