Question: What is the beginning date that Ross Turnbull (who is a member of Middlesbrough F.C.) becomes a member of Leeds United F.C.?
Choices: 2010-10-23
1971-09-07
1945-12-27
1681-09-30
1998-05-01
1997-06-19
2001
2015-01-01
1962-08-16
1972-02-03
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Ross Turnbull" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "Middlesbrough F.C." . ?e_2 <pred:name> "Leeds United 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: Middlesbrough F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: Ross Turnbull
function: And
dependencies: 1
2
function: Find
inputs: Leeds United F.C.
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
start time
Answer: 2015-01-01