What is {short name} of {Rivne Oblast} that is {start time} is {1991-0-0} ?
Mention the nickname of the Rivne Oblast which was used in the year 1991 beginning?.
What is the nickname of the Rivne Oblast that was used beginning in 1991?
SELECT ?j WHERE { FILTER ( CONTAINS ( YEAR ( ?c ) , '1991' ) ) . ?o property:short_name ?j . ?o property:start_time ?c . resource:Rivne_Oblast property:short_name ?o }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q174187> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1813> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P580> <1991-0-0>
} 

SELECT ?obj WHERE { wd:Q174187 p:P1813 ?s . ?s ps:P1813 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1991')) }