Question: Count all the books written by an author buried in the Convent of Barefoot Trinitarians?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x onto:restingPlace <http://dbpedia.org/resource/Convent_of_the_Barefoot_Trinitarians> . ?uri onto:author ?x  . ?uri rdf:type onto:Book}