What is the {Class IB flammable liquid} with the {MIN(combustion enthalpy)} whose {has quality} is {hygroscopy}  ?
What's the flammable liquid with the smallest combustion enthalpy and is a high quality for hygroscopy?
select ?ent where { ?ent wdt:P31 wd:Q21009055 . ?ent wdt:P2117 ?obj . ?ent wdt:P1552 wd:Q216678} ORDER BY ASC(?obj)LIMIT 5 
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q21009055>.

?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/P2117>.
?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/P1552> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q216678> .

}
ORDER BY ASC(?obj1)
LIMIT 5
What is the lowest combustion enthalpy flammable liquid and is a high quality hygroscopy?