Question: When did Billy Boyd (the one that is a member of Manchester United F.C.) become a member of Weymouth F.C.?
Choices: 1887-01-01
2007-10-05
1996-04-01
1968-10-12
1995
2004-12-01
2017-02-09
1937-01-01
1994-01-01
1871-07-20
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Billy Boyd" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "Manchester United 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: Manchester United 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