Question: When was born John Wood (the one killed in action)?
Choices: 1961-11-19
1880
1951-07-12
1926-04-01
1969-02-11
1952-08-21
1964-02-24
1944-09-21
1956-09-20
1957-02-01
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "John Wood" . ?e <cause_of_death> ?e_1 . ?e_1 <pred:name> "killed in action" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: killed in action
function: Relate
dependencies: 0
inputs: cause of death
backward
function: Find
inputs: John Wood
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of birth
Answer: 1880