Question: Which tank locomotive has the highest number of cylinders with a 0-4-OT wheel arrangement?
Paraphrase: Which tank locomotive with a 0-4-OT wheel configuration has the most cylinders?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q785745 . ?ent wdt:P1100 ?obj . ?ent wdt:P2978 wd:Q26234727 } ORDER BY DESC(?obj)LIMIT 5 
Answer: R.B. 2, R.B. 3, R.B. 1, Kerr, Stuart and Company 1015 “Pecauville”, Eleonore