Question: When did Paul Walker (who is a member of the Swindon Town F.C.) become a member of the Wolverhampton Wanderers F.C.?
Choices: 2014-01-01
2005-09-24
2015-05-04
1837-01-01
1968-01-01
1994-07-03
1982-10-09
1984-07-28
1939
1453-05-29
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Paul Walker" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "Swindon Town F.C." . ?e_2 <pred:name> "Wolverhampton Wanderers 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: Swindon Town F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: Paul Walker
function: And
dependencies: 1
2
function: Find
inputs: Wolverhampton Wanderers F.C.
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
start time
Answer: 1968-01-01