 Complete the following phrase:  Jiang Yuyuan also Yuyan; ; born November 1, 1991 in Liuzhou, Guangxi is a retired Chinese gymnast. She is the 2008 Chinese all-around senior National Champion and a member of the gold medal-winning Peoples Republic of China team for the 2008 Summer Olympics. Jiang was a member of the silver medal-winning Chinese team at the 2007 World Championships, the bronze medal-winning member at the 2010 World Championships and 2011 World Championships, and the all-around gold medalist at the 2007 Good Luck Beijing Olympic test event. In 2010, she replaced Cheng Fei as the captain of the Chinese national team due to Feis leg injury. She won a silver medal in the all-around competition at the 