Question: The bridge spanning the River Truyere near Ruynes-en-Margeride was built by a graduate of which university?
Sentence (from "Garabit viaduct"): The Garabit Viaduct ("Viaduc de Garabit" in French) is a railway arch bridge spanning the River Truyère near Ruynes-en-Margeride (), Cantal, France, in the mountainous Massif Central region.
Relevant evidence: Yes