Question: Is the date of birth of the person whose name in native language is Bill Nelson before 1986 ?
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 <name_in_native_language> ?pv_1 . ?pv_1 <pred:value> "Bill Nelson" . ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1986 ) .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: name in native language
Bill Nelson
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth
function: VerifyYear
dependencies: 3
inputs: 1986
<