What is the social state with the lowest total reserves whose described by source is Jeweish Encyclopedia of Brockhaus and Efron?
select ?ent where { ?ent wdt:P31 wd:Q619610 . ?ent wdt:P2134 ?obj . ?ent wdt:P1343 wd:Q4173137. } ORDER BY ASC(?obj)LIMIT 5 
social state: Q619610 jewish encyclopedia of brockhaus and efron: Q4173137