Question: Valentino Urbani sang the role of Eustazio at the premiere of what opera that was composed in 171, and was the first Italian language opera written specifically for the London stage?
Sentence (from "Rinaldo (opera)"): Rinaldo (HWV 7) is an opera by George Frideric Handel, composed in 1711, and was the first Italian language opera written specifically for the London stage.
Relevant evidence: Yes