What is the {disease} with the {MAX(prevalence)} whose {instance of} is {disease}  ?
What is the most common disease?
Which disease is most prevalent?
SELECT ?g WHERE { ?g property:prevalence ?s . ?g rdf:type ontology:disease . ?g rdf:type ontology:disease }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q12136>.

?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/P1193>.
?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/P31> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q12136> .

}
ORDER BY DESC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q12136 . ?ent wdt:P1193 ?obj . ?ent wdt:P31 wd:Q12136 } ORDER BY DESC(?obj)LIMIT 5 
tension headache lactose intolerance lactose intolerance febrile seizure migraine-associated vertigo