Question: When did the person born in Roxbury die?
Choices:
1475-04-02
1947-04-08
1953-12-31
1947-08-20
1978-12-09
1861-07-01
1954-08-25
1953-03-10
1937-04-22
1948-09-25
Answer: 1861-07-01
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <place_of_birth> ?e_1 . ?e_1 <pred:name> "Roxbury" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Roxbury
function: Relate
dependencies: 0
inputs: place of birth
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth