Question: When did Oklahoma! (the one whose director of photography is Robert L. Surtees) receive Natioanl Film Registry?
Choices: 1989-01-21
1932-01-01
1821
2017-04-01
2008
1864-11-21
1994-02-15
2007-01-01
1900-01-05
2016-07-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Oklahoma!" . ?e_1 <director_of_photography> ?e_3 . ?e_3 <pred:name> "Robert L. Surtees" . ?e_2 <pred:name> "National Film Registry" . ?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: Robert L. Surtees
function: Relate
dependencies: 0
inputs: director of photography
backward
function: Find
inputs: Oklahoma!
function: And
dependencies: 1
2
function: Find
inputs: National Film Registry
function: QueryRelationQualifier
dependencies: 3
4
inputs: award received
point in time
Answer: 2007-01-01