Question: Does The Bassarids or Maria Stuarda have more acts?
Sentence (from "Maria Stuarda"): Maria Stuarda (Mary Stuart) is a tragic opera ("tragedia lirica"), in two acts, by Gaetano Donizetti, to a libretto by Giuseppe Bardari, based on Andrea Maffei's translation of Friedrich Schiller's 1800 play "Maria Stuart".
Relevant evidence: Yes