Question: what nationality was ludwig van beethoven?
Sentence (from "Beethoven Project Trio"): The first public concert given by the trio was on March 1, 2009 at Chicago’s Murphy Auditorium for the world premiere of a recently rediscovered piano trio by (Hess 47) Ludwig van Beethoven, as well as the American premiere of another Beethoven trio (Anhang 3) and the Chicago premiere of yet another Trio (Opus 63); the performance also included the well-known “Archduke” Trio by Beethoven.
Relevant evidence: No