Question: Anastasia Valeryevna "Nastia" Liukin tied for the third-highest tally of world championship medals with a former gymnast who was the Olympic balance beam champion in what year?
Sentence (from "Nastia Liukin Cup"): First held in 2010, the event arose through a partnership between Liukin and USA Gymnastics, and is intended to serve as a debut for pre-elite competitors on the national stage.
Relevant evidence: No