what is the {point in time} for {Guatemala} has {inflation rate} as {12.3} ?
When did Guatemala have an inflation rate of 12.3?
SELECT ?value WHERE { wd:Q774 p:P1279 ?s . ?s ps:P1279 ?x filter(contains(?x,'12.3')) . ?s pq:P585 ?value}
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q774> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1279> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <12.3> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

When was inflation 12.3 in Guatemala?