what is the {end time} for {Pierre Bourdieu} has {employer} as {University of Lille} ?
When was Pierre Boudieu left the University of Lille?.
When did Pierre Bourdieu leave the University of Lille?
SELECT ?z WHERE { resource:Pierre_Bourdieu property:employer ?b . ?b property:employer resource:University_of_Lille . ?b property:end_time ?z }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q156268> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P108> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q3551621> .
?statement <http://www.wikidata.org/entity/P582> ?value. 
} 

SELECT ?value WHERE { wd:Q156268 p:P108 ?s . ?s ps:P108 wd:Q3551621 . ?s pq:P582 ?value}