Question: When did Lee Grant (the one that is a member of York City F.C.) become a member of Aston Villa F.C.?
Choices: 2013-04-01
2000-01-01
2009-08-07
1955-12-14
1993-11-01
2003-09-27
1993-04-28
2002-01-01
1995-01-01
1978-04-02
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Lee Grant" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "York City F.C." . ?e_2 <pred:name> "Aston Villa 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: York City F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: Lee Grant
function: And
dependencies: 1
2
function: Find
inputs: Aston Villa F.C.
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
start time
Answer: 2002-01-01