What is {population} of {Nashville} that is {point in time} is {2016-0-0} ?
What was Nashville's population in 2016?
What is the population of Nashville at  2016?
SELECT ?o WHERE { ?d property:point_in_time ?i . FILTER ( CONTAINS ( YEAR ( ?i ) , '2016' ) ) . resource:Nashville property:population ?d . ?d property:population ?o }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q23197> .
?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> <2016-0-0>
} 

SELECT ?obj WHERE { wd:Q23197 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2016')) }