query: #deployed nuclear weapons in the world per country
  SELECT #?item ?itemLabel 
  ?countryLabel ?coord 
  ?number
  WHERE 
  {
    ?item wdt:P31 wd:Q106317256;
          wdt:P17 ?country.
    ?country wdt:P625 ?coord.
    
    ?item p:P527 [ps:P527 wd:Q106212175; # deployed nuclear weapons
                  pq:P1114 ?number].
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  }