Question: The 1979 book by French philosopher Catherine Clément, Opera: The Undoing of Women, explores this opera in five acts that premiered at the Opéra-Comique in the early 1900 and was conducted by which conductor?
Sentence (from "Pelléas et Mélisande (opera)"): The only opera Debussy ever completed, it is considered a landmark in 20th-century music.
Relevant evidence: No