Name the country that is a member of the UN's Educational, Scientific & Cultural Organization with the least amount of compulsory educations?
select ?ent where { ?ent wdt:P31 wd:Q6256 . ?ent wdt:P3271 ?obj . ?ent wdt:P463 wd:Q7809} ORDER BY ASC(?obj)LIMIT 5 
country: Q6256 unesco: Q7809