What is {significant event} of {Gina Rinehart} that is {end time} is {1981-1-1} ?
What historical event marked Gina Rinehart's death in 1981?
What was the significant event happend when Gina Rinehart was came to an end in 1981
SELECT ?b WHERE { resource:Gina_Rinehart property:significant_event ?z . ?z property:significant_event ?b . ?z property:end_time ?x . FILTER ( CONTAINS ( YEAR ( ?x ) , '1981' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q242982> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P793> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P582> <1981-1-1>
} 

SELECT ?obj WHERE { wd:Q242982 p:P793 ?s . ?s ps:P793 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1981')) }