what is the {point in time} for {Robert De Niro} has {residence} as {Marbletown} ?
When did Robert De Nirolive in Marbletown?
When did Robert De Niro reside in Marbletown?
SELECT ?a WHERE { ?g property:point_in_time ?a . resource:Robert_De_Niro property:residence ?g . ?g property:residence resource:Marbletown }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q36949> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P551> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q3708911> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q36949 p:P551 ?s . ?s ps:P551 wd:Q3708911 . ?s pq:P585 ?value}