Question: When was the person born who died in Koblenz?
Choices:
1968-12-02
1971-02-26
1927-03-06
1961-05-12
1795-11-02
1969-11-13
1905-12-05
1977-10-08
1969-05-13
1965-09-17
Answer: 1905-12-05
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <place_of_death> ?e_1 . ?e_1 <pred:name> "Koblenz" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Koblenz
function: Relate
dependencies: 0
inputs: place of death
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth