What is {population} of {Amiens} that is {point in time} is {1926-0-0} ?
In 1926, how many people lived in Amiens?
What was the population of Amiens in 1926?
SELECT ?o WHERE { resource:Amiens property:population ?f . ?f property:point_in_time ?b . ?f property:population ?o . FILTER ( CONTAINS ( YEAR ( ?b ) , '1926' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q41604> .
?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> ?obj .
?statement <http://www.wikidata.org/entity/P585> <1926-0-0>
} 

SELECT ?obj WHERE { wd:Q41604 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1926')) }