Question: When was David Brown (of Bradford City A.F.C.) born?
Choices:
1946-04-04
1963-04-10
1922-09-17
1970-04-04
1961-07-23
1984-10-25
1963-11-21
1966-08-14
1907-02-03
1989-05-29
Answer: 1989-05-29
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "David Brown" . ?e <member_of_sports_team> ?e_1 . ?e_1 <pred:name> "Bradford City A.F.C." .  ?e <date_of_birth> ?pv .  }
Program:
function: Find
inputs: Bradford City A.F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: David Brown
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: date of birth