what is the {point in time} for {Beni Suef Governorate} has {population} as {3154100} ?
Give the date Beni Suef Governorate had a population of 3154100.
When did Beni Suef Governorate have a population of 3154100?
SELECT ?n WHERE { resource:Beni_Suef_Governorate property:population ?z . ?z property:population ?y . FILTER ( ?y = 3154100 ) . ?z property:point_in_time ?n }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q30683> .
?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> <3154100> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q30683 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '3154100')) . ?s pq:P585 ?value}