Which isotope of barium decaying to caesium-116 has the most binding energy ?
select ?ent where { ?ent wdt:P31 wd:Q2555200 . ?ent wdt:P2154 ?obj . ?ent wdt:P816 wd:Q2370394 } ORDER BY DESC(?obj)LIMIT 5 
isotope of barium: Q2555200 caesium-116: Q2370394