What is {educated at} of {Wilhelm Röntgen} that is {start time} is {1872-4-1} ?
Give me the name of the educational institution Wilhelm Rontgen attended on 4-1-1872?
What educational institution did Wilhelm Rontgen start at on 4-1-1872?
SELECT ?m WHERE { ?g property:start_time ?m . FILTER ( CONTAINS ( YEAR ( ?m ) , '1872' ) ) . ?g property:educated_at ?m . resource:Wilhelm_Röntgen property:educated_at ?g }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q35149> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P69> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P580> <1872-4-1>
} 

SELECT ?obj WHERE { wd:Q35149 p:P69 ?s . ?s ps:P69 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1872')) }