what is the {start time} for {Vogue} has {editor} as {Ailsa Garland} ?
UN
when did Ailsa Garland become the editor for vogue
SELECT ?f WHERE { ?d property:start_time ?f . ?d property:editor resource:Ailsa_Garland . resource:British_Vogue property:editor ?d }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q6351976> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P98> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q21176318> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q6351976 p:P98 ?s . ?s ps:P98 wd:Q21176318 . ?s pq:P580 ?value}