Question: When did David Foster (the one that is the citizen of Canada) receive Grammy Award for Best Musical Theater Album ?
Choices: 1958-03-26
1999-12-01
2016-09-15
2009-06-03
1982
2009-04-13
1800
1957-12-01
-550
1957-03-27
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "David Foster" . ?e_1 <country_of_citizenship> ?e_3 . ?e_3 <pred:name> "Canada" . ?e_2 <pred:name> "Grammy Award for Best Musical Theater Album" . ?e_1 <award_received> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <award_received> ; <pred:fact_t> ?e_2 ] <point_in_time> ?qpv .  }
Program:
function: Find
inputs: Canada
function: Relate
dependencies: 0
inputs: country of citizenship
backward
function: Find
inputs: David Foster
function: And
dependencies: 1
2
function: Find
inputs: Grammy Award for Best Musical Theater Album
function: QueryRelationQualifier
dependencies: 3
4
inputs: award received
point in time
Answer: 1982