query: SELECT ?grouping (COUNT(DISTINCT ?entity) as ?count) (SAMPLE(?entity) as ?sample) WHERE { ?entity wdt:P1343 wd:Q78782867; p:P1343 [ prov:wasDerivedFrom [ pr:P304 ?page ] ]. ?entity wdt:P31 ?grouping .} GROUP BY ?grouping HAVING (?count < 1) ORDER BY DESC(?count) LIMIT 1000