query: #Authority control properties usage for a given identifier
  
  SELECT ?property ?propertyLabel ?propertyDescription ?count WHERE { 
  	{
  		select ?propertyclaim (COUNT(*) AS ?count) where {
  			?item wdt:P2401 ?id . 
  			?item wdt:P31 wd:Q5 .
  			?item ?propertyclaim [] .
  		} group by ?propertyclaim 
  	}
  	?property wikibase:propertyType wikibase:ExternalId .
  	?property wdt:P31 wd:Q19595382 .
  	?property wikibase:claim ?propertyclaim .
  	SERVICE wikibase:label {            # ... include the labels
  		bd:serviceParam wikibase:language "en" .
  	}
  } ORDER BY DESC (?count)
  LIMIT 100