What is the {product} with the {MIN(consumption rate per capita)} whose {has part} is {paraffin wax}  ?
What product that contains paraffin wax has the lowest usage per capita?
What is the product with the lowest consumption rate per capita whose has part is paraffin wax?
SELECT ?h WHERE { ?h property:consumption_rate_per_capita ?w . ?h property:has_part resource:paraffin_wax . . ?h rdf:type ontology:product }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q2424752>.

?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/P2662>.
?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/P527> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q177540> .

}
ORDER BY ASC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q2424752 . ?ent wdt:P2662 ?obj . ?ent wdt:P527 wd:Q177540. } ORDER BY ASC(?obj)LIMIT 5 
petroleum