what is the {version type} for {ext4} has {publication date} as {2006-10-10} ?
Which ext4 version was published on 10-10-2016?
What is the version type of ext4 publicated at 2006-10-10?
SELECT ?r WHERE { ?j property:version_type ?r . ?j property:publication_date ?k . resource:ext4 property:publication_date ?j . FILTER ( CONTAINS ( YEAR ( ?k ) , '2006' ) ) }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q283827> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P577> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <2006-10-10> .
?statement <http://www.wikidata.org/entity/P548> ?value. 
} 

SELECT ?value WHERE { wd:Q283827 p:P577 ?s . ?s ps:P577 ?x filter(contains(YEAR(?x),'2006')) . ?s pq:P548 ?value}