What is a Class II combustible liquid has the smallest electric dipole moments?
select ?ent where { ?ent wdt:P31 wd:Q21009057 . ?ent wdt:P2201 ?obj . ?ent wdt:P31 wd:Q21009057} ORDER BY ASC(?obj)LIMIT 5 
class ii combustible liquid: Q21009057 class ii combustible liquid: Q21009057