Question: When did Peter Boyle (the one that is a member of Motherwell F.C.) become a member of York City F.C.?
Choices: 1912-01-01
1814-05-25
1997-08-11
1956-03-12
1864-10-31
2013-07-22
1996-02-28
2008-01-01
1987-05-09
2007-09-16
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Peter Boyle" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "Motherwell F.C." . ?e_2 <pred:name> "York City 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: Peter Boyle
function: And
dependencies: 1
2
function: Find
inputs: York City F.C.
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
start time
Answer: 1912-01-01