Question: What is the date of birth for the human whose father is Edward VII?
Choices:
1742-07-27
1961-07-19
1977-12-09
1964-11-05
1865-06-03
1958-04-29
1958-03-23
1954-04-09
1970-05-18
1972-03-18
Answer: 1865-06-03
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <father> ?e_1 . ?e_1 <pred:name> "Edward VII" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Edward VII
function: Relate
dependencies: 0
inputs: father
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth