Question: When did Andy Williams join the national football team of Wales?
Choices: 1997-01-01
1756-08-29
1922-12-30
1860
1989-09-09
1911
1902-01-01
1952-08-14
1792
1818-12-03
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Andy Williams" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "Wales national football team" . ?e_2 <pred:name> "Wales national football team" . ?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: Wales national football team
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: Andy Williams
function: And
dependencies: 1
2
function: Find
inputs: Wales national football team
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
start time
Answer: 1997-01-01