Question: Who portrayed Venus in a 1845 opera about struggle between sacred and profane love, and redemption through love?
Sentence (from "Tannhäuser (opera)"): Tannhäuser (] ; full title Tannhäuser und der Sängerkrieg auf Wartburg, "Tannhäuser and the Minnesingers' Contest at the Wartburg") is an 1845 opera in three acts, music and text by Richard Wagner, based on two German legends; Tannhäuser, the legendary medieval German Minnesänger and poet, and the tale of the Wartburg Song Contest.
Relevant evidence: No