Question: Who wrote the opera first performed on 26 October 1786 at the medieval castle and subsequent palace which served as a residence for the French monarchs from Louis VII to Napoleon III?
Sentence (from "Phèdre (opera)"): Phèdre ("Phaedra") is an opera by the French composer Jean-Baptiste Lemoyne, first performed at Fontainebleau on 26 October 1786.
Relevant evidence: Yes