What is the {commemorative coin} with the {MIN(face value)} whose {material used} is {gold}  ?
Which gold commemorative coin has the lowest face value?
Which commemorative coin with the lowest face value is made of gold?
SELECT ?n WHERE { ?n property:face_value ?z . ?n property:made_from_material resource:gold . ?n rdf:type ontology:commemorative_coin }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q855973>.

?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/P3934>.
?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/P186> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q897> .

}
ORDER BY ASC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q855973 . ?ent wdt:P3934 ?obj . ?ent wdt:P186 wd:Q897} ORDER BY ASC(?obj)LIMIT 5 