Question: Tom Johnson of the New Orleans Saints was a member of the Minnesota Vikings until which date?
Choices: 1899-04-18
2002-12-13
2013-02-01
1941-01-01
2015
1851-03-04
1809-03-03
1917-12-05
1990-01-01
1945-04-09
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Tom Johnson" . ?e_1 <member_of_sports_team> ?e_3 . ?e_3 <pred:name> "New Orleans Saints" . ?e_2 <pred:name> "Minnesota Vikings" . ?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: New Orleans Saints
function: Relate
dependencies: 0
inputs: member of sports team
backward
function: Find
inputs: Tom Johnson
function: And
dependencies: 1
2
function: Find
inputs: Minnesota Vikings
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
end time
Answer: 2015