Which tank locomotive has the highest number of cylinders with a 0-4-OT wheel arrangement?
select ?ent where { ?ent wdt:P31 wd:Q785745 . ?ent wdt:P1100 ?obj . ?ent wdt:P2978 wd:Q26234727 } ORDER BY DESC(?obj)LIMIT 5 
tank locomotive: Q785745 0-4-0t: Q26234727