What is {population} of {Togo} that is {point in time} is {1973-0-0} ?
How many people lived in Togo in 1973?
What is the population of Togo in the year of 1973?
SELECT ?a WHERE { FILTER ( CONTAINS ( YEAR ( ?s ) , '1973' ) ) . ?t property:population ?a . resource:Togo property:population ?t . ?t property:point_in_time ?s }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q945> .
?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> <1973-0-0>
} 

SELECT ?obj WHERE { wd:Q945 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1973')) }