What is the maximum cruising speed of a Maersk E-class container ship?
select ?ent where { ?ent wdt:P31 wd:Q559026 . ?ent wdt:P2217 ?obj . ?ent wdt:P155 wd:Q5274902 } ORDER BY DESC(?obj)LIMIT 5 
ship class: Q559026 mærsk e-class container ship: Q5274902