Question: What is the birthyear of the figure skater who won a silver medal at the 1992 World Championships and was attacked by Tonya Harding?
Sentence (from "Nancy Kerrigan"): She won bronze medals at the 1991 World Championships and 1992 Winter Olympics, and a silver medal at the 1992 World Championships, before becoming the 1993 US National Champion.
Relevant evidence: Yes