Name the earthquake that showed a Mercalli scale of IX but had the least magnitude on the Richter scale?
select ?ent where { ?ent wdt:/instance of/ wd:/earthquake/ . ?ent wdt:/earthquake magnitude on the Richter magnitude scale/ ?obj . ?ent wdt:/Mercalli intensity scale/ wd:/Mercalli scale IX/} ORDER BY ASC(?obj)LIMIT 5 