Question: Simon Boccanegra and L'elisir d'amore, are operas?
Sentence (from "Tenore di grazia"): Many Donizetti roles, such as Nemorino in "L'elisir d'amore" and Ernesto in "Don Pasquale", Tonio in "La fille du régiment", are also "tenore di grazia" roles.
Relevant evidence: No