 Complete the following phrase:  Sumiya Dorjsuren Mongolian: Доржсүрэнгийн Сумъяа, born 11 March 1991 is a Mongolian judoka. She competed in the 57 kg event at the 2012 Summer Olympics and lost in the first round. In 2015, she won her first World Championship medal, a bronze. In the 2016 Olympics she won a silver medal in the same event and a gold medal in the 2017 World Judo Championships in Budapest. In 2017 World Championships final, Dorjsürengiin defeated Tsukasa Yoshida who had beaten her in the Olympic final. In 2018, Dorjsürengiin won the bronze medal at the 