Question: What's the flammable liquid with the smallest combustion enthalpy and is a high quality for hygroscopy?
Paraphrase: What is the lowest combustion enthalpy flammable liquid and is a high quality hygroscopy?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q21009055 . ?ent wdt:P2117 ?obj . ?ent wdt:P1552 wd:Q216678} ORDER BY ASC(?obj)LIMIT 5 
Answer: Ethanol, methanol