Does the {median lethal dose} of the {benzene} {less than} {6840.0}
is it true that the median lethal dose of benzene is less than 6840?
ASK WHERE { wd:Q2270 wdt:P2240 ?obj filter(?obj < 6840.0) } 
ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q2270> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2240>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj. filter(?obj < 6840.0) }
What is the median lethal dose of benzene?