What is the {monetary authority} with the {MIN(target interest rate)} whose {currency} is {Singapore dollar}  ?
Which Singapore Bank has the lowest interest rate?
Which monetary authority on the Singapore dollar has the lowest target interest rate ?
SELECT ?c WHERE { ?c property:currency resource:Singapore_dollar . ?c rdf:type ontology:monetary_authority . ?c property:target_interest_rate ?y }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q6899005>.

?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2661>.
?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj1.

?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P38> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q190951> .

}
ORDER BY ASC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q6899005 . ?ent wdt:P2661 ?obj . ?ent wdt:P38 wd:Q190951} ORDER BY ASC(?obj)LIMIT 5 
Monetary Authority of Singapore