Question: Who was born first out of Blasius Merrem and Stephan Vuckovic?
Sentence (from "Stephan Vuckovic"): Beginning in 2005 he competed in several long distance triathlons, finishing on podium of the Ironman Canada 2005( 2nd place) and the Ironman Lanzarote( 3rd) in 2007.
Relevant evidence: No