What is the {public company} with the {MAX(number of registered users/contributors)} ?
Which public company has the largest number of registered users/contributors?
select ?ent where { ?ent wdt:P31 wd:Q891723 . ?ent wdt:P1833 ?obj } ORDER BY DESC(?obj)LIMIT 5 
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q891723>.
?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/P1833>.
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .}
ORDER BY DESC(?obj)
LIMIT 5
Which public company has the most users?