Question: When was Mario Van Peebles' dad born?
Choices: 1975-02-26
1962-02-21
1871-01-01
1943-07-26
1941-06-22
1988-06-14
1932-08-21
1908-05-20
1969-05-16
1975-09-30
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <father> ?e . ?e_1 <pred:name> "Mario Van Peebles" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Mario Van Peebles
function: Relate
dependencies: 0
inputs: father
forward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth
Answer: 1932-08-21