Why is the result always the Italian football player by the same name as the requested tango musician Alfredo De Angelis. This is so frustrating.

PREFIX wdt: </>
PREFIX wd: </>
PREFIX schema: </>

SELECT ?person ?personLabel ?description WHERE {
  ?person rdfs:label "Alfredo De Angelis"@es.  # Search for Alfredo De Angelis in Spanish.
  OPTIONAL {
    ?person schema:description ?description.
    FILTER(LANG(?description) = "es" && 
           (CONTAINS(LCASE(?description), "tango") || 
            CONTAINS(LCASE(?description), "argentino")
    )
  }
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],es". }
}