Question: What song was presented by Mirjam Weichselbraun at the biggest charity event in Europe supporting people with HIV? 
Sentence (from "Mirjam Weichselbraun"): Mirjam Weichselbraun (born 27 September 1981 in Innsbruck, Austria) is an Austrian television host and actress, best known in Austria for presenting "Dancing Stars", Life Ball and the Vienna Opera Ball.
Relevant evidence: Yes