Question: When did Paul Williams (who is a member of the Sheffield Wednesday F.C.) become a member of Sunderland A.F.C.?
Choices: 1992-01-06
1945-11-14
1995-01-01
1356-01-01
1966-02-14
1977
1947-10-22
1904-05-31
1997-06-19
1965-09-22
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Paul Williams" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "Sheffield Wednesday F.C." . ?e_2 <pred:name> "Sunderland A.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: Sheffield Wednesday F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: Paul Williams
function: And
dependencies: 1
2
function: Find
inputs: Sunderland A.F.C.
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
start time
Answer: 1995-01-01