What is {Alexa rank} of {Library of Congress} that is {point in time} is {2018-6-11} ?
In 2019 what rank did Alexa ran in the Library of Congress?
What is the rank of Alexa rank in Library Congress at the time of 2018 -6-11?
SELECT ?e WHERE { ?t property:point_in_time ?t . ?t property:Alexa_rank ?e . resource:Library_of_Congress property:Alexa_rank ?t . FILTER ( CONTAINS ( YEAR ( ?t ) , '2018' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q131454> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1661> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P585> <2018-6-11>
} 

SELECT ?obj WHERE { wd:Q131454 p:P1661 ?s . ?s ps:P1661 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2018')) }