What is {population} of {Lucknow} that is {point in time} is {2011-0-0} ?
How many people lived in Lucknow in 2011?
What was the population of Lucknow in 2011?
SELECT ?b WHERE { FILTER ( CONTAINS ( YEAR ( ?w ) , '2011' ) ) . ?i property:population ?b . ?i property:point_in_time ?w . resource:Lucknow property:population ?i }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q47916> .
?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> <2011-0-0>
} 

SELECT ?obj WHERE { wd:Q47916 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2011')) }