Give me a count of mammals whose family is Canidae?
SELECT DISTINCT COUNT(?uri) WHERE {?uri <http://dbpedia.org/ontology/family> <http://dbpedia.org/resource/Canidae>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Mammal>}
Canidae