Question: When did Bill Berry (the one that is a member of Stockport County F.C.) become a member of Manchester United F.C.?
Choices: 1922-12-29
1865-05-26
1935-01-01
1994-09-20
1991-12-24
1842
1909-01-01
1892-01-09
1975-04-05
1200
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Bill Berry" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "Stockport County F.C." . ?e_2 <pred:name> "Manchester 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 ] <end_time> ?qpv .  }
Program:
function: Find
inputs: Stockport County F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: Bill Berry
function: And
dependencies: 1
2
function: Find
inputs: Manchester United F.C.
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
end time
Answer: 1909-01-01