query: PREFIX wikibase: <http://wikiba.se/ontology#>
  PREFIX wd: <http://www.wikidata.org/entity/> 
  PREFIX wdt: <http://www.wikidata.org/prop/direct/>
  PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
  PREFIX p: <http://www.wikidata.org/prop/>
  PREFIX v: <http://www.wikidata.org/prop/statement/>
  PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
  
  SELECT (COUNT (DISTINCT ?people) AS ?count) WHERE {
     ?people wdt:P1327 ?partner
     SERVICE wikibase:label {
      bd:serviceParam wikibase:language "en" .
     }
  
   }
  LIMIT 10