What is the {excipient} with the {MIN(refractive index)} whose {has part} is {carbon}  ?
Which carbon excipient has the lowest refractive index?
What excipient that's part carbon has the lowest refractive index?
SELECT ?m WHERE { ?m rdf:type ontology:excipient . ?m property:has_part resource:carbon . ?m property:refractive_index ?q }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q902638>.

?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/P1109>.
?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/Q623> .

}
ORDER BY ASC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q902638 . ?ent wdt:P1109 ?obj . ?ent wdt:P527 wd:Q623} ORDER BY ASC(?obj)LIMIT 5 
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