Question: When was the director of photography on Nixon born?
Choices:
1963-08-02
1946-04-07
1987-11-07
1949-12-04
1947-01-16
1907-07-16
1872-08-15
1901-02-28
1955-08-27
1977-07-27
Answer: 1955-08-27
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <director_of_photography> ?e . ?e_1 <pred:name> "Nixon" .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Nixon
function: Relate
dependencies: 0
inputs: director of photography
forward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: date of birth