Question: When did  Peter Boyle (the one that is a member of Leyton Orient F.C.) become a member of Leyton Orient F.C.?
Choices:
1918-04-01
1995-09-12
1940-11-25
1905-01-01
2009-03-18
1877-01-01
1990-09-23
1863-01-03
1974-07-05
1889-01-01
Answer: 1905-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Peter Boyle" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "Leyton Orient F.C." . ?e_2 <pred:name> "Leyton Orient 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: Leyton Orient 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: Leyton Orient F.C.
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
start time