Question: Niccola Spinelli, was an Italian composer of operas, premiered in Rome on 9 May 1890; the first prize went to Pietro Antonio Stefano Mascagni, who was an Italian composer, most noted for his operas, and which 1890 masterpiece?
Sentence (from "Pietro Mascagni"): Mascagni said that at one point, "Iris" was performed in Italy more often than "Cavalleria" (cf. Stivender).
Relevant evidence: No