what is the {point in time} for {Liechtenstein} has {population} as {36388.0} ?
what is the {point in time} for {Liechtenstein} that has {population} as {36388.0}
which is the {point in time} for {Liechtenstein} that has {population} as {36388.0} ?
SELECT ?e WHERE { resource:Liechtenstein property:population ?r . ?r property:population ?d . FILTER ( ?d = 36388.0 ) . ?r property:point_in_time ?e }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q347> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1082> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <36388.0> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q347 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '36388.0')) . ?s pq:P585 ?value}