Question: What is the date of birth of the person that was a member of Bristol City F. C. as of 1952-01-01?
Choices:
1924-03-17
1972-06-06
1817-01-01
1926-06-01
1878-12-06
1979-08-21
1958-10-09
1957-03-02
1964-03-11
1966-05-16
Answer: 1924-03-17
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <member_of_sports_team> ?e_1 . ?e_1 <pred:name> "Bristol City F.C." .  [ <pred:fact_h> ?e ; <pred:fact_r> <member_of_sports_team> ; <pred:fact_t> ?e_1 ] <start_time> ?qpv . ?qpv <pred:date> "1952-01-01"^^xsd:date . ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Bristol City F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: QFilterDate
dependencies: 1
inputs: start time
1952-01-01
=
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: date of birth