Question: What is the date of death of Antonietta Marini-Rainieri's husband?
Sentence (from "Ignazio Marini"): He sang in the world premieres of several operas by Gaetano Donizetti, Saverio Mercadante, and Giuseppe Verdi and appeared as a guest artist in major opera houses throughout Europe and in New York City, Mexico City and Cairo.
Relevant evidence: No