Question: Which isotope of xenon has the most natural abundance?
Paraphrase: What is the highest quantity of naturally occurring isotope of xenon?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q606986 . ?ent wdt:P2374 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: xenon-132, xenon-129, xenon-131, xenon-134, xenon-136