query: #title: Labels in English would generally be different from Catalan (ca)
  # Complex constraint from [[Property talk:P2358]]
  # output: item with English label, English label, Catalan label
  SELECT ?item ?en ?ca
  {
    ?item wdt:P2358 [ ] ; wdt:P31 wd:Q5 .
    ?item rdfs:label ?en . FILTER( lang(?en) = "en" ) 
    ?item rdfs:label ?ca . FILTER( lang(?ca) = "ca" ) 
    FILTER( str(?en) = str(?ca) )
  }
  LIMIT 1000