Question: When was Mauricio Pinilla, a citizen of Columbia, born?
Choices:
1922-08-22
1925-12-19
1825-07-01
1977-09-02
1916-01-15
1992-09-18
1966-07-14
1889-10-07
1954-06-15
1910-03-23
Answer: 1977-09-02
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Mauricio Pinilla" . ?e <country_of_citizenship> ?e_1 . ?e_1 <pred:name> "Colombia" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Colombia
function: Relate
dependencies: 0
inputs: country of citizenship
backward
function: Find
inputs: Mauricio Pinilla
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of birth