Which opera has more acts, Les Huguenots or Eugene Onegin?
Les Huguenots: Les Huguenots (] ) is a French opera by Giacomo Meyerbeer, one of the most popular and spectacular examples of the style of grand opera. Eugene Onegin (opera):  24, is an opera ("lyrical scenes") in 3 acts (7 scenes), composed by Pyotr Ilyich Tchaikovsky.
Les Huguenots