What is {short name} of {Sakha Republic} that is {start time} is {1991-12-27} ?
What was the abbreviation for the Sakha Republic on December 12, 1991?
SELECT ?obj WHERE { wd:Q6605 p:P1813 ?s . ?s ps:P1813 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1991')) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q6605> .
?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> <1991-12-27>
} 

On December 12, 1991, what was the initialism of Sakha Republic?