query: #title: List of all stages
  SELECT * WHERE {
    ?tour wdt:P31 wd:Q33881;
          rdfs:label ?tourLabel.
    FILTER(LANG(?tourLabel) = "[AUTO_LANGUAGE]" )
   ?item wdt:P361 ?tour;
      rdfs:label ?itemLabel.
    FILTER((LANG(?itemLabel)) = "[AUTO_LANGUAGE]")
    ?item wdt:P1427 ?depart.
    ?depart rdfs:label ?departLabel.
    FILTER((LANG(?departLabel)) = "[AUTO_LANGUAGE]")
    ?item wdt:P1444 ?arrivee. 
    ?arrivee rdfs:label ?arriveeLabel. 
    FILTER((LANG(?arriveeLabel)) = "[AUTO_LANGUAGE]" )
    ?item wdt:P585 ?date. 
  }
  ORDER BY ?date