Question: What person was a member of the York City F.C. until 1980 and was born before 1970?
Choices: John Byrne
John Spencer
Sylvester Stallone
Chris Evans
David Byrne
Peter Boyle
Richard Gere
William Henry Harrison
John Powell
Richard Taylor
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <member_of_sports_team> ?e_1 . ?e_1 <pred:name> "York City F.C." .  [ <pred:fact_h> ?e ; <pred:fact_r> <member_of_sports_team> ; <pred:fact_t> ?e_1 ] <end_time> ?qpv . ?qpv <pred:year> 1980 . ?e <date_of_birth> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 1970 ) .  }
Program:
function: Find
inputs: York City F.C.
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: QFilterYear
dependencies: 1
inputs: end time
1980
=
function: FilterConcept
dependencies: 2
inputs: human
function: FindAll
function: FilterYear
dependencies: 4
inputs: date of birth
1970
<
function: FilterConcept
dependencies: 5
inputs: human
function: And
dependencies: 3
6
function: What
dependencies: 7
Answer: Richard Taylor