What is {inception} of {Almohad} that is {instance of} is {statement with Gregorian date earlier than 1584} ?
What was the date that Almohad began?
On what date did Almohad begin?
SELECT ?v WHERE { resource:Almohad_Caliphate property:inception ?u . ?u rdf:type ontology:statement_with_Gregorian_date_earlier_than_1584 . ?u property:inception ?v }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q199688> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P571> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q26961029>
} 

SELECT ?obj WHERE { wd:Q199688 p:P571 ?s . ?s ps:P571 ?obj . ?s pq:P31 wd:Q26961029 }