Question: Italian composer Donizetti's opera "Maria Stuarda" is based on a play by Friedrich Schiller about the final das of which royal figure?
Sentence (from "Gaetano Donizetti"): Along with Gioachino Rossini and Vincenzo Bellini, Donizetti was a leading composer of the "bel canto" opera style during the first half of the nineteenth century.
Relevant evidence: No