Question: Did Christoph Wahrstötter and Doug Harvey (Umpire) share the same nationality?
Sentence (from "Christoph Wahrstötter"): He competed in ski cross at the World Ski Championships in 2013( where he failed to qualify missing out by only 0.17 seconds) and 2017( where he placed 5th), and at the 2014 Winter Olympics in Sochi, in ski-cross.
Relevant evidence: No