query: # Women writers at :ca
  SELECT ?item ?label
  WHERE
  {
  	# gender = female
    	?item wdt:P21 wd:Q6581072 .
    
  	# humans only
    	?item wdt:P31 wd:Q5 . 
    
    	# ocupation = writer
    	?item wdt:P106* wd:Q36180 .
  
  	# look for articles (sitelinks) in Catalan ("ca")
    	OPTIONAL { ?sitelink schema:about ?item . ?sitelink schema:inLanguage "ca" } 
  	# and select items with article
  	FILTER (BOUND(?sitelink))
    
      # list
      ?item rdfs:label ?label filter (lang(?label) = "en")
  }
  LIMIT 5000