query: SELECT
  	?item 
  	(GROUP_CONCAT(DISTINCT(?delabel)) as ?delabels) 
  	(GROUP_CONCAT(DISTINCT(?enlabel)) as ?enlabels)
  	(GROUP_CONCAT(DISTINCT(?frlabel)) as ?frlabels)
  	(GROUP_CONCAT(DISTINCT(?itlabel)) as ?itlabels)
  	(SAMPLE(?nr_s) as ?nr_s)
  	(SAMPLE(?nr_e) as ?nr_e)
  WHERE
  {  
  	?item wdt:P31/wdt:P279* wd:Q21191270 .
  	?item wdt:P179 wd:Q193462.   
  	OPTIONAL { ?item wdt:P4908 ?season .
  		?season p:P179 ?season_statement .
  		?season_statement pq:P1545 ?nr_s  .}
  	OPTIONAL { ?item p:P4908/pq:P1545 ?nr_e  } .
  	OPTIONAL { ?item rdfs:label ?enlabel . FILTER(lang(?enlabel)="en")  } 
  	OPTIONAL { ?item rdfs:label ?delabel . FILTER(lang(?delabel)="de")  } 
  	OPTIONAL { ?item rdfs:label ?itlabel . FILTER(lang(?itlabel)="it")  } 
  	OPTIONAL { ?item rdfs:label ?frlabel . FILTER(lang(?frlabel)="fr")  }  
  } 
  GROUP BY ?item ?qid
  ORDER BY (xsd:integer(?nr_s)) (xsd:integer(?nr_e)) ?item