Question: Do both Simon Boccanegra and Le roi d'Ys have the same number of acts?
Sentence (from "Rolando Panerai"): He sang in many rarely performed Verdi operas on radio broadcast for RAI in 1951 (to commemorate the 50th anniversary of Verdi's death), such as "Giovanna d'Arco", "La battaglia di Legnano", and "Aroldo".
Relevant evidence: No