what is the {instance of} for {Catullus} has {date of death} as {-54-1-1} ?
When Catullus died on 1-1-54 what was the cause?
What was the cause of Catullus' death in -54-1-1?
SELECT ?b WHERE { FILTER ( CONTAINS ( ?v , '-54-1-1' ) ) . ?f rdf:type ?b . resource:Catullus property:date_of_death ?f . ?f property:date_of_death ?v }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q163079> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P570> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <-54-1-1> .
?statement <http://www.wikidata.org/entity/P31> ?value. 
} 

SELECT ?value WHERE { wd:Q163079 p:P570 ?s . ?s ps:P570 ?x filter(contains(?x , '-54-1-1')) . ?s pq:P31 ?value}