Question: When did Chris Brown (the one whose date of birth is 1962-04-11 become a member of the Pittsburgh Steelers?
Choices: 1815-03-04
1985
2014-03-31
1968-04-01
1999-03-01
1964-06-19
1983-02-28
1200
1999-05-26
1991-04-08
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Chris Brown" . ?e_1 <date_of_birth> ?pv . ?pv <pred:date> "1962-04-11"^^xsd:date . ?e_2 <pred:name> "Pittsburgh Steelers" . ?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: Chris Brown
function: FilterDate
dependencies: 0
inputs: date of birth
1962-04-11
=
function: Find
inputs: Pittsburgh Steelers
function: QueryRelationQualifier
dependencies: 1
2
inputs: member of sports team
end time
Answer: 1985