query-274c97bc99084ed18256f22508c67dc6

rq turtle/ttl

And just for fun:

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX schema: <http://schema.org/>
SELECT ?initial (COUNT(*) as ?count)
{

    [] schema:about wd:Q16520 ; schema:isPartOf ?wiki ; schema:name ?name .
    ?wp wdt:P856 ?wiki ; wdt:P282/wdt:P279* wd:Q8229 .
    BIND( str(substr(?name, 1, 1)) as ?initial) 
}  
GROUP BY ?initial

Query found at

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v5("?count") v4("?initial"):::projected v2("?name") v1("?wiki") v3("?wp") a1((" ")) a2((" ")) c8(["wd:Q8229"]):::iri c2(["wd:Q16520"]):::iri a1 --"schema:about"--> c2 a1 --"schema:isPartOf"--> v1 a1 --"schema:name"--> v2 v3 --"wdt:P856"--> v1 v3 --"wdt:P282"--> a2 a2 --"wdt:P279"--> c8 bind0[/"str(substring(?name,'1^^xsd:integer','1^^xsd:integer'))"/] v2 --o bind0 bind0 --as--o v4 bind2[/"count(*)"/] bind2 --as--o v5