what is the {for work} for {Keira Knightley} has {award received} as {Empire Award for Best Actress} ?
For what type of work has Keira Knightley receive an Empire Award?
For what type of work Keira Knightley has received an Empire Award?
SELECT ?f WHERE { resource:Keira_Knightley property:award_received ?k . ?k property:award_received resource:Empire_Award_for_Best_Actress . ?k property:for_work ?f }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q42581> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P166> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q3724813> .
?statement <http://www.wikidata.org/entity/P1686> ?value. 
} 

SELECT ?value WHERE { wd:Q42581 p:P166 ?s . ?s ps:P166 wd:Q3724813 . ?s pq:P1686 ?value}