query-8221417ee9da376f286a94d2392f6e76

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX ps: <http://www.wikidata.org/prop/statement/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX p: <http://www.wikidata.org/prop/>
SELECT (count(?item) as ?count) WHERE {
 ?item wdt:P170 wd:Q381238 .     
 ?item p:P195 ?statement . 
 ?statement ps:P195 ?collection .
 ?collection wdt:P31 wd:Q768717 .
 FILTER NOT EXISTS { ?statement pq:P518 wd:Q114187913} # exclude if P1001 for USA present
 FILTER (!wikibase:isSomeValue(?collection))
}

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v1("?collection") v4("?count") v3("?item"):::projected v2("?statement") c4(["wd:Q381238"]):::iri c2(["wd:Q114187913"]):::iri c8(["wd:Q768717"]):::iri f0[["not http://wikiba.se/ontology#isSomeValue(?collection)"]] f0 --> v1 f1[["not "]] subgraph f1e0["Exists Clause"] e0v1 --"p:qualifier/P518"--> e0c2 e0v1("?statement"):::projected e0c2(["wd:Q114187913"]):::iri end f1--EXISTS--> f1e0 f1 --> v2 f1 --> c1 f1 --> c2 v2 --"p:qualifier/P518"--> c2 v3 --"p:direct/P170"--> c4 v3 --"p:P195"--> v2 v2 --"p:statement/P195"--> v1 v1 --"p:direct/P31"--> c8 bind3[/"count(?item)"/] v3 --o bind3 bind3 --as--o v4