what is the {point in time} for {Magdeburg} has {area} as {201.01} ?
The area of Magdeburg was 201.01 in what time period?
When did Magdeburg have an area of 201.01?
SELECT ?u WHERE { resource:Magdeburg property:area ?u . ?u property:point_in_time ?u . FILTER ( ?m = 201.01 ) . ?u property:area ?m }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1733> .
?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> <201.01> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q1733 p:P2046 ?s . ?s ps:P2046 ?x filter(contains(?x , '201.01')) . ?s pq:P585 ?value}