Question: When was where the two legs of 1933 Mitropa Cup was played built ?
Sentence (from "Ernst-Happel-Stadion"): The Ernst Happel Stadion "(   )" (Praterstadion until 1992, sometimes also called Wiener Stadion) in Leopoldstadt, the 2nd district of Austria's capital Vienna, is the largest stadium in Austria.
Relevant evidence: No