what is the {end time} for {Reinhard Heydrich} has {position held} as {President of Interpol} ?
In what year did Reinhard Heydrich step down as the President of Interpol?
When did Reinhard Heydrich stop being the President of Interpol?
SELECT ?k WHERE { ?b property:end_time ?k . ?b property:position_held resource:President_of_Interpol . resource:Reinhard_Heydrich property:position_held ?b }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q60039> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P39> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q19698214> .
?statement <http://www.wikidata.org/entity/P582> ?value. 
} 

SELECT ?value WHERE { wd:Q60039 p:P39 ?s . ?s ps:P39 wd:Q19698214 . ?s pq:P582 ?value}