Question: Are both the Louise and the La clemenza di Tito operas?
Sentence (from "La clemenza di Tito"): La clemenza di Tito (English: "The Clemency of Titus"), K. 621, is an "opera seria" in two acts composed by Wolfgang Amadeus Mozart to an Italian libretto by Caterino Mazzolà, after Metastasio.
Relevant evidence: Yes