Name the earthquake that showed a Mercalli scale of IX but had the least magnitude on the Richter scale?
select ?ent where { ?ent wdt:P31 wd:Q7944 . ?ent wdt:P2528 ?obj . ?ent wdt:P2784 wd:Q23925706} ORDER BY ASC(?obj)LIMIT 5 
earthquake: Q7944 mercalli scale ix: Q23925706