What is the {chemical compound} with the {MAX(global-warming potential)} ?
what chemical has the highest global warming potential?
Which chemical compound has the highest global-warming potential?
SELECT ?t WHERE { ?t property:global_warming_potential ?v . ?t rdf:type ontology:chemical_compound }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q11173>.
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2565>.
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .}
ORDER BY DESC(?obj)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q11173 . ?ent wdt:P2565 ?obj } ORDER BY DESC(?obj)LIMIT 5 
sulfur hexafluoride sulfur hexafluoride sulfur hexafluoride trifluoromethylsulfur pentafluoride nitrogen trifluoride