What is the {prototype aircraft model} with the {MIN(wingspan)} whose {series} is {Douglas M}  ?
what us the protype aircraft model with the lowest wingspan whose series is douglas M?
select ?ent where { ?ent wdt:P31 wd:Q15126161 . ?ent wdt:P2050 ?obj . ?ent wdt:P179 wd:Q3714634} ORDER BY ASC(?obj)LIMIT 5 
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q15126161>.

?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/P2050>.
?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/P179> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q3714634> .

}
ORDER BY ASC(?obj1)
LIMIT 5
Which Douglas M series aircraft model has the shortest wingspan?