Write the response. A 2 person dialog:
Person 1: Who is Li Jiajun?;
Person 2: Li Jiajun Li Jiajun (; born October 15, 1975 in Changchun, Jilin) is a Chinese short track speed skater who has won 5 Olympic medals – two silver and three bronze.;
Person 1: What world championships did he win?;
Person 2: He has been a two-time Overall World Champion for 1999 and 2001.;
Person 1: Did he have any failures?;
Person 2: In 1998 Winter Olympics, he led for much of the way during the final race of the 1000m, but was edged out at the finish-line by Korea's Kim Dong-Sung, to win a silver medal.;
Person 1: What are some other interesting aspects about this article?;
Person 2: He also won a bronze medal in 5000m relay.;
Person 1: Did he have any other failures?;
Person 2: 
He participated in the 2002 Winter Olympics at Salt Lake City, making the finals of the 1000 meter short course event but failed to win a medal after being disqualified following a collision with Apolo Ohno, which caused Ahn Hyun-Soo and Mathieu Turcotte to also fall and allowed Australian Steve Bradbury to claim the gold medal.