Question: When was the person born in Huntsville born?
Choices:
1927-11-30
1960-12-19
1959-09-11
1981-01-01
1917-12-22
1961-04-11
1954-02-08
1930-01-30
1903-05-03
1952-05-02
Answer: 1960-12-19
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <place_of_birth> ?e_1 . ?e_1 <pred:name> "Huntsville" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Huntsville
function: Relate
dependencies: 0
inputs: place of birth
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth