Question: When was the teacher of Bruce Lee born?
Choices:
1971-10-29
1967-04-06
1892-07-18
1893-10-01
1871-11-27
1983-08-21
1947-12-08
1968-10-17
1956-01-01
1961-01-24
Answer: 1893-10-01
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <student> ?e_1 . ?e_1 <pred:name> "Bruce Lee" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Bruce Lee
function: Relate
dependencies: 0
inputs: student
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth