What is {award received} of {Boris Yeltsin} that is {point in time} is {1981-1-30} ?
Boris Yeltsin received this award on January 30th, 1981?
What award did Boris Yeltsin receive on January 30th, 1981?
SELECT ?z WHERE { FILTER ( CONTAINS ( YEAR ( ?g ) , '1981' ) ) . resource:Boris_Yeltsin property:award_received ?m . ?m property:award_received ?z . ?m property:point_in_time ?g }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q34453> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P166> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P585> <1981-1-30>
} 

SELECT ?obj WHERE { wd:Q34453 p:P166 ?s . ?s ps:P166 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1981')) }