Do both operas Jenůfa and Oberon have the same number of acts?
Jenůfa Jenůfa    (Její pastorkyňa, "Her Stepdaughter" in Czech) is an opera in three acts by Leoš Janáček to a Czech libretto by the composer, based on the play "Její pastorkyňa" by Gabriela Preissová. It was first performed at the Brno Theater, Brno, 21 January 1904. It was written between 1896 and 1902, and counts among the first operas written in prose.
Auberon Auberon (French spelling for Oberon), is the king of fairyland, who appears in the chanson de geste "Huon de Bordeaux". Auberon (13th century) also refers to the title of another chanson de geste written as the prolgue to "Huon de Bordeaux".