Question: What is the date of birth for the Bolivian citizen?
Choices:
1961-05-29
1890-05-02
1936-10-25
1797-08-30
1973-04-11
1977-09-02
1839-09-10
1931-02-24
1977-04-14
1899-08-13
Answer: 1977-09-02
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <country_of_citizenship> ?e_1 . ?e_1 <pred:name> "Bolivia" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Bolivia
function: Relate
dependencies: 0
inputs: country of citizenship
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth