What is {allegiance} of {Wernher von Braun} that is {start time} is {1937-0-0} ?
In early 1937, what was the allegiance of Wernher von Braun?
What was the allegiance of Wernher von Braun at the beginning of 1937?
SELECT ?j WHERE { ?a property:start_time ?t . resource:Wernher_von_Braun property:allegiance ?a . FILTER ( CONTAINS ( YEAR ( ?t ) , '1937' ) ) . ?a property:allegiance ?j }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q57384> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P945> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P580> <1937-0-0>
} 

SELECT ?obj WHERE { wd:Q57384 p:P945 ?s . ?s ps:P945 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1937')) }