what is the {point in time} for {Margaret Sanger} has {nominated for} as {Nobel Peace Prize} ?
When did  Margaret Sanger become a nominee for  Nobel Peace Prize?
When was Margaret Sanger nominated for the Nobel Peace Prize?
SELECT ?p WHERE { resource:Margaret_Sanger property:nominated_for ?m . ?m property:point_in_time ?p . ?m property:nominated_for resource:Nobel_Peace_Prize }
select distinct ?value  where {
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?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1411> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q35637> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q285514 p:P1411 ?s . ?s ps:P1411 wd:Q35637 . ?s pq:P585 ?value}