What is {work location} of {Thomas Eakins} that is {point in time} is {1868-1-1} ?
Tell me where Tomas Eakins worked in 1868
Where did Thomas Eakins work in 1868?
SELECT ?a WHERE { ?l property:point_in_time ?i . ?l property:work_location ?a . resource:Thomas_Eakins property:work_location ?l . FILTER ( CONTAINS ( YEAR ( ?i ) , '1868' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q214905> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P937> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P585> <1868-1-1>
} 

SELECT ?obj WHERE { wd:Q214905 p:P937 ?s . ?s ps:P937 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1868')) }