What is the {unit of length} with the {MIN(conversion to standard unit)} whose {described by source} is {Brockhaus and Efron Encyclopedic Dictionary}  ?
What is the unit of length for the smallest conversion to a standard unit as described by Brockhaus and Efron Encyclopedic Dictionary?
As described by Brockhaus and Efron Encyclopedic Dictionary, what is the unit of length for the smallest conversion to a standard unit?
SELECT ?y WHERE { ?y rdf:type ontology:unit_of_length . ?y property:conversion_to_standard_unit ?c . ?y property:described_by_source resource:Brockhaus_and_Efron_Encyclopedic_Dictionary }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q1978718>.

?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2442>.
?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj1.

?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1343> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q602358> .

}
ORDER BY ASC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q1978718 . ?ent wdt:P2442 ?obj . ?ent wdt:P1343 wd:Q602358} ORDER BY ASC(?obj)LIMIT 5 
inch inch yard yard inch