query: # Most used properties for a given class
  SELECT ?property ?propertyLabel ?propertyDescription (COUNT(?propertyclaim) AS ?count) WHERE {
    ?item wdt:P31/wdt:P279 wd:Q877729 .
    ?property wikibase:claim ?propertyclaim .
    ?item ?propertyclaim [] . 
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  } GROUP BY ?property ?propertyLabel ?propertyDescription ORDER BY DESC (?count)