Question: Sky and Sand is a song by German electronic music producers Paul Kalkbrenner and Fritz Kalkbrenner, the song was originally produced as the title song of which 2008 German tragicomedy directed by Hannes Stöhr?
Sentence (from "Berlin Calling"): Berlin Calling is a 2008 German tragicomedy directed by Hannes Stöhr.
Relevant evidence: Yes