What is the municipal council in Finland with the lowest number of seats whose applies to jurisdiction is Lappajärvi ?
select ?ent where { ?ent wdt:P31 wd:Q191893 . ?ent wdt:P1342 ?obj . ?ent wdt:P1001 wd:Q6020} ORDER BY ASC(?obj)LIMIT 5 
municipal council in finland: Q191893 lappajärvi: Q6020