What is the {material} with the {MIN(operating temperature)} whose {use} is {construction}  ?
What is the construction material with the lowest operating temperature?
What is the material with the lowest operating temperature whose use is construction?
SELECT ?p WHERE { ?p property:use resource:construction . . ?p property:operating_temperature ?v . ?p rdf:type ontology:material }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q214609>.

?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/P5066>.
?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/P366> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q385378> .

}
ORDER BY ASC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q214609 . ?ent wdt:P5066 ?obj . ?ent wdt:P366 wd:Q385378. } ORDER BY ASC(?obj)LIMIT 5 