Question: What is the nationality of the entomologist who is a renowned authority of Smerinthus saliceti ?
SPARQL:
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Smerinthus_saliceti> <http://dbpedia.org/ontology/binomialAuthority> ?x . ?x <http://dbpedia.org/ontology/citizenship> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Entomologist>}