Question: What is the name of the Austrian architect known for designing the historic building complex in Austria known as The Belvedere?
Sentence (from "Johann Lukas von Hildebrandt"): Among his more important works are Palais Schwarzenberg, St. Peter's Church, and Belvedere in Vienna, Savoy Castle in Ráckeve, Schönborn Palace in Göllersdorf, and Schloss Hof.
Relevant evidence: Yes