Question: Did the team member of Chesterfield F.C. until 1949 die more recently than 1807 ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <member_of_sports_team> ?e_1 . ?e_1 <pred:name> "Chesterfield F.C." .  [ <pred:fact_h> ?e ; <pred:fact_r> <member_of_sports_team> ; <pred:fact_t> ?e_1 ] <end_time> ?qpv . ?qpv <pred:year> 1949 . ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v > 1807 ) .  }
Program:
function: Find
inputs: Chesterfield F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: QFilterYear
dependencies: 1
inputs: end time
1949
=
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: date of birth
function: VerifyYear
dependencies: 4
inputs: 1807
>