Question: When was the spouse of Ken Russell (the start time of this statement is 1956) born?
Choices: 1935-09-12
1969-10-01
1225-01-25
1923-08-21
1935-03-11
1935-06-01
1865-06-03
1971-06-20
1933-01-01
1802-06-12
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <spouse> ?e . ?e_1 <pred:name> "Ken Russell" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <spouse> ; <pred:fact_t> ?e ] <start_time> ?qpv . ?qpv <pred:year> 1956 . ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Ken Russell
function: Relate
dependencies: 0
inputs: spouse
forward
function: QFilterYear
dependencies: 1
inputs: start time
1956
=
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: date of birth
Answer: 1935-03-11