What is the {chemical compound} with the {MIN(IDLH)} whose {has part} is {nitrogen}  ?
What chemical compound has the lowest IDLH and which part is nitrogen?
What is the chemical compound with the lowest IDLH whose has part is nitrogen?
SELECT ?j WHERE { ?j property:has_part resource:nitrogen . ?j rdf:type ontology:chemical_compound . ?j property:immediately_dangerous_to_life_or_health ?k }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q11173>.

?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/P2129>.
?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/P527> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q627> .

}
ORDER BY ASC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q11173 . ?ent wdt:P2129 ?obj . ?ent wdt:P527 wd:Q627} ORDER BY ASC(?obj)LIMIT 5 
paraquat dichloride HN-1 O-chlorobenzylidenemalononitrile strychnine diazomethane