Question: Which Winter Olympics did Leslie Thomas compete at, where the host city was chosen over Falun and Cortina d'Ampezzo?
Sentence (from "1988 Winter Olympics"): The 1988 Winter Olympics, officially known as the XV Olympic Winter Games (French: "Les XVes Jeux olympiques d'hiver" ), was a Winter Olympics multi-sport event celebrated in and around Calgary, Canada between February 13 and 28, 1988.
Relevant evidence: Yes