Question: When did  John Hughes (the one whose position is defenceman) become a member of the Vancouver Canucks?
Choices: 2004
1979-10-26
1516-01-23
1945-06-15
1992-06-30
1982-09-19
1919-03-01
1911-01-17
1979
1997-12-14
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "John Hughes" . ?e_1 <position_played_on_team_/_speciality> ?e_3 . ?e_3 <pred:name> "defenceman" . ?e_2 <pred:name> "Vancouver Canucks" . ?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 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: defenceman
function: Relate
dependencies: 0
inputs: position played on team / speciality
backward
function: Find
inputs: John Hughes
function: And
dependencies: 1
2
function: Find
inputs: Vancouver Canucks
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of sports team
start time
Answer: 1979