Question: Name the Class IIIA combustible liquid containing carbon with the lowest upper flammable limit ?
Paraphrase: What Class IIIA liquid with carbon has the lowest flammable limit?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q21009058 . ?ent wdt:P2203 ?obj . ?ent wdt:P527 wd:Q623. } ORDER BY ASC(?obj)LIMIT 5 
Answer: adiponitrile, aniline, N,N-dimethylacetamide, acetone cyanohydrin, 2-butoxyethanol