query: SELECT+?item+?FSO_code+?Label_en+?Label_de+?Label_fr+?Label_it+WHERE+{
  {?item+wdt:P31+wd:Q70208}.
  {?item+wdt:P771+?FSO_code}.+
  +OPTIONAL+{+?item+rdfs:label+?Label_en+.+FILTER+(lang(?Label_en)+=+"en")+}
  +OPTIONAL+{+?item+rdfs:label+?Label_de+.+FILTER+(lang(?Label_de)+=+"de")+}+
  +OPTIONAL+{+?item+rdfs:label+?Label_fr+.+FILTER+(lang(?Label_fr)+=+"fr")+}
  +OPTIONAL+{+?item+rdfs:label+?Label_it+.+FILTER+(lang(?Label_it)+=+"it")+}
  }
  