Question: When did the person who was born in Slough born?
Choices:
1926-09-17
1971-01-01
1959-12-30
1905-04-29
1931-06-01
1980-08-10
1972-03-13
1969-10-11
1943-09-06
1937-04-22
Answer: 1959-12-30
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <place_of_birth> ?e_1 . ?e_1 <pred:name> "Slough" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Slough
function: Relate
dependencies: 0
inputs: place of birth
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth