Question: What is the date of birth of Jim Clark who died from stroke?
Choices:
1911-05-27
1936-05-14
1743-04-02
1922-09-17
1956-10-10
1948-03-12
1892-08-19
1915-09-10
1961-12-30
1973-05-16
Answer: 1922-09-17
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Jim Clark" . ?e <cause_of_death> ?e_1 . ?e_1 <pred:name> "stroke" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: stroke
function: Relate
dependencies: 0
inputs: cause of death
backward
function: Find
inputs: Jim Clark
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of birth