query-15626e0eb2bb631fe988a97540c0dee8

rq turtle/ttl

Gemiddelde leeftijd per seizoen

Use at

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
select ?pubyear (round(avg(?age)) as ?ageAvg) where {
  ?season wdt:P31 wd:Q3464665;
          wdt:P179 wd:Q2330424;
          wdt:P577 ?pubdate.

  bind (year(?pubdate) as ?pubyear). 

  ?episode wdt:P4908 ?season;
           wdt:P5030 ?guest. 

  ?guest wdt:P569 ?dob. 

  bind (year(?dob) as ?dobyear). 
  bind (?pubyear - ?dobyear as ?age).
} group by ?pubyear ?ageAvg order by ?pubyear

Query found at