Question: When did John Spencer (a member of Motherwell F.C.) start being a member of Chelsea F.C.?
Choices: 2012-05-03
2007-03-30
1984-05-09
1963-12-12
1992-01-01
1867-07-01
1993-01-01
1998-12-20
1984-01-01
1922-12-06
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "John Spencer" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "Motherwell F.C." . ?e_2 <pred:name> "Chelsea 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 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Motherwell F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: John Spencer
function: And
dependencies: 1
2
function: Find
inputs: Chelsea F.C.
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
start time
Answer: 1992-01-01