Question: When was Dumfries native John Irving born?
Choices: 1978-02-24
1962-02-21
1932-08-02
1947-04-14
1881-08-12
1926-09-07
1920-05-03
1867-01-01
1971-05-19
1927-05-13
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "John Irving" . ?e <place_of_birth> ?e_1 . ?e_1 <pred:name> "Dumfries" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Dumfries
function: Relate
dependencies: 0
inputs: place of birth
backward
function: Find
inputs: John Irving
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of birth
Answer: 1867-01-01