Question: Is John Davis the native language name of the person whose date of birth is 1826-08-09?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <date_of_birth> ?pv_1 . ?pv_1 <pred:date> "1826-08-09"^^xsd:date . ?e <name_in_native_language> ?pv . ?pv <pred:value> "John Davis" .  }
Program:
function: FindAll
function: FilterDate
dependencies: 0
inputs: date of birth
1826-08-09
=
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: name in native language
function: VerifyStr
dependencies: 3
inputs: John Davis