Question: What is the date of birth of the person who is a teammate of Celtic F.C. starting in the year 1960?
Choices: 1943-04-03
1954-03-26
1933-12-19
1957-11-27
1953-06-12
1898-09-14
1970-01-31
1936-05-27
1913-01-18
1981-09-29
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> "Celtic F.C." .  [ <pred:fact_h> ?e ; <pred:fact_r> <member_of_sports_team> ; <pred:fact_t> ?e_1 ] <start_time> ?qpv . ?qpv <pred:year> 1960 . ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Celtic F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: QFilterYear
dependencies: 1
inputs: start time
1960
=
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: date of birth
Answer: 1943-04-03