Which disease has the longest incubation period and whose primary symptoms include abdominal pain?
select ?ent where { ?ent wdt:P31 wd:Q12136 . ?ent wdt:P3488 ?obj . ?ent wdt:P780 wd:Q183425 } ORDER BY DESC(?obj)LIMIT 5 
disease: Q12136 abdominal pain: Q183425