Question: When was the person married to Joel Madden born?
Choices:
1968-08-25
1963-06-17
1974-11-24
1981-09-21
1757-06-01
1948-03-22
1981-07-15
1956-02-03
1915-09-10
1966-07-06
Program:
function: Find
inputs: Joel Madden
function: Relate
dependencies: 0
inputs: spouse
forward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <spouse> ?e . ?e_1 <pred:name> "Joel Madden" .  ?e <date_of_birth> ?pv .  }
Answer: 1981-09-21