Question: tell me the end time that Gordon Brown (who is a member of York City FC) is a member of Nottingham Forest FC
Choices: 1972-02-13
1902-05-31
1933-03-04
1999-04-06
1950-01-01
2007-01-03
2010-01-27
1996-06-01
1902
1939-05-04
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Gordon Brown" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "York City F.C." . ?e_2 <pred:name> "Nottingham Forest F.C." . ?e_1 <member_of_sports_team> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <member_of_sports_team> ; <pred:fact_t> ?e_2 ] <end_time> ?qpv .  }
Program:
function: Find
inputs: York City F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: Gordon Brown
function: And
dependencies: 1
2
function: Find
inputs: Nottingham Forest F.C.
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
end time
Answer: 1950-01-01