What is the {greenhouse gas} with the {MIN(sublimation temperature)} whose {has effect} is {carbon dioxide exposure}  ?
What is the greenhouse gas with the lowest sublimation temperature whose has effect is carbon dioxide exposure?
select ?ent where { ?ent wdt:P31 wd:Q167336 . ?ent wdt:P2113 ?obj . ?ent wdt:P1542 wd:Q21173362. } ORDER BY ASC(?obj)LIMIT 5 
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q167336>.

?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/P2113>.
?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/P1542> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q21173362> .

}
ORDER BY ASC(?obj1)
LIMIT 5
What greenhouse gas has the lowest temperatures which has an effect on carbon dioxide exposure?