SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/property/race> <http://dbpedia.org/resource/Excelsior_Stakes> . ?x <http://dbpedia.org/ontology/birthPlace> ?uri . }
From how many countries have people participated in the Excelsior Stakes?
SELECT DISTINCT COUNT ( ?v ) WHERE { ?l property:race resource:Excelsior_Stakes . ?l property:birth_place ?v . }
63
There are [63] birthplaces of the people who participated in the Excelsior Stakes race.
There are [63] birthplaces of people who took part in the Excelsior Stakes.