What is the {rank (zoology)} for {taxon rank} of {blue whale}
What is the taxon rank of the blue whale?
 select distinct ?obj where { wd:Q42196 wdt:P105 ?obj . ?obj wdt:P31 wd:Q13578154 } 
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q42196> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P105> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q13578154> } 
What is the taxon rank of the blue whale?