Question: How many relatives are there of people fought in the Battle of the Bulge?
SPARQL query:
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x prop:battles <http://dbpedia.org/resource/Battle_of_the_Bulge> . ?x onto:relation ?uri  . }