Question: Tiergarten was the third single, performed by Canadian-American singer-songwriter Rufus Wainwright's, his fifth studio album was titled?
Sentence (from "Release the Stars"): Wainwright's most commercially successful album to date, "Release the Stars" charted in 13 countries, reaching Top 10 positions in Denmark, Norway, and the United Kingdom, and was certified gold in Canada and the UK.
Relevant evidence: No