Question: What is the beginning date that Alan Bennett (who is a teammate of Crewe Alexandra F.C.) is a member of Port Vale F.C.?
Choices: 2008-07-31
1959-06-24
1949-08-09
2011-09-25
1951-01-01
1949-01-01
1994-07-12
1918-03-11
1969-12-22
2015-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Alan Bennett" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "Crewe Alexandra F.C." . ?e_2 <pred:name> "Port Vale 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: Crewe Alexandra F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: Alan Bennett
function: And
dependencies: 1
2
function: Find
inputs: Port Vale F.C.
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
start time
Answer: 1949-01-01