Question: Hangar-7 is a building in Salzburg, Austria, hosting a collection of historical airplanes, helicopters and Formula One racing cars,Hangar-7 is owned by which Red Bull founder, and an Austrian billionaire businessman? 
Sentence (from "Dietrich Mateschitz"): He co-founded the Red Bull energy drink company, and holds 49% of the company's shares.
Relevant evidence: No