what is the {point in time} for {Le Corbusier} has {award received} as {Frank P. Brown Medal} ?
What was the year when Le Corbusier had received the Frank P. Brown Medal?
What year did Le Corbusier win the Frank P. Brown Medal?
SELECT ?k WHERE { ?e property:point_in_time ?k . resource:Le_Corbusier property:award_received ?e . ?e property:award_received resource:Frank_P._Brown_Medal }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q4724> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P166> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q19873358> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q4724 p:P166 ?s . ?s ps:P166 wd:Q19873358 . ?s pq:P585 ?value}