what is the {end time} for {Brandeis University} has {chairperson} as {Abram L. Sachar} ?
Abram L Sachar served as Brandeis University for how long?
For how long was Abram L. Sachar the chairperson for Brandeis University.
SELECT ?u WHERE { ?j property:end_time ?u . ?j property:chairperson resource:Abram_L._Sachar . resource:Brandeis_University property:chairperson ?j }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q49119> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P488> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q4669370> .
?statement <http://www.wikidata.org/entity/P582> ?value. 
} 

SELECT ?value WHERE { wd:Q49119 p:P488 ?s . ?s ps:P488 wd:Q4669370 . ?s pq:P582 ?value}