Question: Count the number of offices held by people who have their allegiances with the American Civil War Union?
SPARQL query: SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/property/allegiance> <http://dbpedia.org/resource/Union_(American_Civil_War)> . ?x <http://dbpedia.org/property/office> ?uri  . }
Answer: There are [216] offices of the people whose allegiance is American Civil War Union.