Question: Is David Brown the native language name of the person who died on 1854-09-25?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <date_of_death> ?pv_1 . ?pv_1 <pred:date> "1854-09-25"^^xsd:date . ?e <name_in_native_language> ?pv . ?pv <pred:value> "David Brown" .  }
Program:
function: FindAll
function: FilterDate
dependencies: 0
inputs: date of death
1854-09-25
=
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: name in native language
function: VerifyStr
dependencies: 3
inputs: David Brown
Answer: no