what is the {point in time} for {Kaunas} has {area} as {157.0} ?
Kaunas had the area of 157 in which year?
When did Kaunas have the area of 157?
SELECT ?z WHERE { ?m property:point_in_time ?z . resource:Kaunas property:area ?m . FILTER ( ?f = 157.0 ) . ?m property:area ?f }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q4115712> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2046> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <157.0> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q4115712 p:P2046 ?s . ?s ps:P2046 ?x filter(contains(?x , '157.0')) . ?s pq:P585 ?value}