Question: WHICH IS THE MASS GRAVE WITH THE MAXIMUM QUANITY BURIED
Paraphrase: WHICH IS THE MASS GRAVE WITH THE Most extreme QUANITY BURIED
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q734271 . ?ent wdt:P2324 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: Brotherhood grave of Soviet soldiers in Bilyj Kolodjas №1, Brno death march mass grave, Mass grave of Baturin patriots and Komsomol-security officers, Mass grave of 68 Soviet soldiers in Kryvyi Rih, Sviato-Mykolaivska Street, Lichfield Crater, Thelus