query: embed.html#SELECT ?qid ("P17" AS ?pid) ?value WHERE {
    ?item wdt:P31 wd:Q26703203;
                  wdt:P131 ?admin.
    ?admin wdt:P17 ?country.
    MINUS { ?item wdt:P17 []. }
    BIND(SUBSTR(STR(?item), STRLEN(STR(wd:)) + 1) AS ?qid)
    BIND(SUBSTR(STR(?country), STRLEN(STR(wd:)) + 1) AS ?value)
  }