Question: When did  Peter Jackson (the one whose date of birth is 1961-04-06) become a member of Chester City F.C.?
Choices:
2005-10-02
1763-01-01
1997-01-01
1945-05-23
1958
1797-05-11
2015-12-31
1976-01-01
1936-01-20
2011-06-26
Answer: 1997-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Peter Jackson" . ?e_1 <date_of_birth> ?pv . ?pv <pred:date> "1961-04-06"^^xsd:date . ?e_2 <pred:name> "Chester City 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 ] <end_time> ?qpv .  }
Program:
function: Find
inputs: Peter Jackson
function: FilterDate
dependencies: 0
inputs: date of birth
1961-04-06
=
function: Find
inputs: Chester City F.C.
function: QueryRelationQualifier
dependencies: 1
2
inputs: member of sports team
end time