Question: Which country was Dora Luz's work in The Three Caballeros premiered in? 
Sentence (from "José de la Luz y Caballero"): José Cipriano de la Luz y Caballero (July 11, 1800 – June 22, 1862) was a Cuban scholar, acclaimed by José Martí as "the father ... the silent layer of foundations" in Cuban intellectual life of the 19th Century (see "Un magno artículo de Martí", in "Aforismos de Luz y Caballero" Havana, 1960, p. 139).
Relevant evidence: No