Question: Since when was Billy Boyd (the one that is a member of Clyde F.C.) a member of Weymouth F.C. ?
Choices: 1981
1973
1937-01-01
2003-01-01
1940-08-03
1993-01-08
1972-10-04
2011
1992-04-07
2002-06-15
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Billy Boyd" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "Clyde F.C." . ?e_2 <pred:name> "Weymouth 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: Clyde F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: Billy Boyd
function: And
dependencies: 1
2
function: Find
inputs: Weymouth F.C.
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
start time
Answer: 1937-01-01