Question: Which spanish poet, and playwright, supported El Concurso del Cante Jondo?
Sentence (from "Concurso de Cante Jondo"): El Concurso del Cante Jondo (Contest of the Deep Song) was a well-known celebration of the art of flamenco, its music, song, and dance, held in Granada, on Corpus Christi, the 13th and 14 June 1922.
Relevant evidence: Yes