Question: What is the name of the Austrian architect known for designing the historic building complex in Austria known as The Belvedere?
Sentence (from "Hannes Lintl"): Hannes Lintl (2 July 1924 – 13 June 2003) was an Austrian architect, best known for designing the Donauturm ("Danube Tower", 1964), part of the Viennese skyline and a popular lookout point and tourist attraction.
Relevant evidence: No