Question: When did Gordon Brown (the one that is a member of Morecambe F.C.) become a member of Southampton F.C.?
Choices:
1980-09-16
1796
1947-10-26
1956
1967-10-19
1970-03-30
1960-01-01
1993-03-11
1964-05-04
1995-04-17
Answer: 1960-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Gordon Brown" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "Morecambe F.C." . ?e_2 <pred:name> "Southampton 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: Morecambe 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: Southampton F.C.
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
start time