What is {Human Development Index} of {Mongolia} that is {point in time} is {1990-0-0} ?
What was the Human Development Index in Mongolia in the year 1990?
In 1990, what was the Human Development Index of Mongolia?
SELECT ?f WHERE { resource:Mongolia property:Human_Development_Index ?m . ?m property:point_in_time ?q . FILTER ( CONTAINS ( YEAR ( ?q ) , '1990' ) ) . ?m property:Human_Development_Index ?f }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q711> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1081> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P585> <1990-0-0>
} 

SELECT ?obj WHERE { wd:Q711 p:P1081 ?s . ?s ps:P1081 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1990')) }