query: SELECT ?wmfproject ?wmfprojectLabel (COUNT(*) AS ?cnt) WHERE {
    ?wmfproject wdt:P31/wdt:P279* wd:Q14827288 .
    ?item ?any [ prov:wasDerivedFrom/pr:P248 ?wmfproject ] .
    SERVICE wikibase:label { bd:serviceParam wikibase:language 'en' }
  } GROUP BY ?wmfproject ?wmfprojectLabel ORDER BY DESC(?cnt)