Question: How many acts are in both Iphigénie en Aulide and  La fanciulla del West?
Sentence (from "La fanciulla del West"): La fanciulla del West ("The Girl of the West") is an opera in three acts by Giacomo Puccini to an Italian libretto by and , based on the play "The Girl of the Golden West" by the American author David Belasco.
Relevant evidence: Yes