Question: What is the starting date that Billy Boyd, who is a member of Southampton F.C., becomes a member of Weymouth F.C.?
Choices: 1992-04-13
2008-06-06
2019-01-03
2009-04-15
2002-09-27
1937-01-01
2004-07-16
1956-12-18
1995-04-17
1861-01-29
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Billy Boyd" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "Southampton 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: Southampton 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