Question: For the person who is Zachary Taylor's dad (that uses English as a native language), what is his birthday?
Choices: 1946-11-08
1926-05-26
1950-12-01
1923-02-12
1744-04-03
1792-06-15
1962-06-10
1956-11-20
-284
1933-08-26
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <father> ?e . ?e_1 <pred:name> "Zachary Taylor" . ?e_1 <native_language> ?e_2 . ?e_2 <pred:name> "English" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: English
function: Relate
dependencies: 0
inputs: native language
backward
function: Find
inputs: Zachary Taylor
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: father
forward
function: FilterConcept
dependencies: 4
inputs: human
function: QueryAttr
dependencies: 5
inputs: date of birth
Answer: 1744-04-03