What is {manner of death} of {Abraham Lincoln} that is {killed by} is {John Wilkes Booth} ?
How was Abraham Lincoln assassinated by John Wilkes Booth?
How did John Wilkes Booth kill Abraham Lincoln?
SELECT ?v WHERE { ?e property:killed_by resource:John_Wilkes_Booth . resource:Abraham_Lincoln property:manner_of_death ?e . ?e property:manner_of_death ?v }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q91> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1196> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P157> <http://wikidata.dbpedia.org/resource/Q180914>
} 

SELECT ?obj WHERE { wd:Q91 p:P1196 ?s . ?s ps:P1196 ?obj . ?s pq:P157 wd:Q180914 }