What is {award received} of {Maggie Smith} that is {point in time} is {1979-4-9} ?
On April 9, 1979, Maggie Smith won which award?
What award did Maggie Smith win on 4/9/1979?
SELECT ?z WHERE { ?u property:point_in_time ?y . resource:Maggie_Smith property:award_received ?u . ?u property:award_received ?z . FILTER ( CONTAINS ( YEAR ( ?y ) , '1979' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q172653> .
?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> <1979-4-9>
} 

SELECT ?obj WHERE { wd:Q172653 p:P166 ?s . ?s ps:P166 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1979')) }