Question: What is the Class IIIA combustible liquid with the highest boiling point whose described by source is Small Brockhaus and Efron Encyclopedic Dictionary ?
Paraphrase: What Class IIIA combustible liquid has the highest boiling point?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q21009058 . ?ent wdt:P2102 ?obj . ?ent wdt:P1343 wd:Q19180675 } ORDER BY DESC(?obj)LIMIT 5 
Answer: aniline, aniline