 Complete the following phrase:  Zhang and Zhang went into the 2006 Olympics as medal contenders. They had planned a throw quadruple salchow jump for the free skate, a jump which had not yet been landed in competition. Zhang Dan fell on it during the free skate and suffered an injury, but chose to finish the program. There was a minor controversy about finishing the program because while Zhang Dan had been lying on the ice from the fall, the referee had stopped the music, and the Zhangs took a certain amount of time to restart the program. ISU rules say that the program can be continued if the referee agrees the stoppage was due to a valid reason, such as injuries or equipment failures. Once the referee has approved a continuation, the skaters are given two minutes to continue the program from the point where the music stopped. Zhang regrouped within this period and was able to finish the program. They won the silver medal, placing ahead of defending Olympic medalists Shen Xue and Hongbo Zhao. At the 