Question: Which opera has more acts, Il matrimonio segreto or Lohengrin?
Related documents: [0]  [DOC] Il matrimonio segreto ("The Secret Marriage") is an opera in two acts, music by Domenico Cimarosa, on a libretto by Giovanni Bertati, based on the play "The Clandestine Marriage" by George Colman the Elder and David Garrick. It was first performed on 7 February 1792 at the Imperial Hofburg Theatre in Vienna in the presence of Emperor Leopold II. [END] 
[1]  [DOC] Lohengrin, WWV 75, is a Romantic opera in three acts composed and written by Richard Wagner, first performed in 1850. The story of the eponymous character is taken from medieval German romance, notably the "Parzival" of Wolfram von Eschenbach and its sequel, "Lohengrin", written by a different author, itself inspired by the epic of "Garin le Loherain". It is part of the Knight of the Swan tradition. [END] 
Answer: 
Lohengrin
Lohengrin