Question: Do the operas Der Kaiser von Atlantis and Simon Boccanegra contain the same number of acts?
Sentence (from "Der Kaiser von Atlantis"): Der Kaiser von Atlantis oder Die Tod-Verweigerung ("The Emperor of Atlantis or The Disobedience of Death") is a one-act opera by Viktor Ullmann with a libretto by Peter Kien.
Relevant evidence: Yes