Question: When did 3:10 to Yuma (the one that has Van Heflin as a cast member) receive the National Film Registry?
Choices: 1973-03-27
1978-01-01
2006-08-01
1901
2012-01-01
2000
1940-05-15
1856
1820-01-01
1858
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "3:10 to Yuma" . ?e_1 <cast_member> ?e_3 . ?e_3 <pred:name> "Van Heflin" . ?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: Van Heflin
function: Relate
dependencies: 0
inputs: cast member
backward
function: Find
inputs: 3:10 to Yuma
function: And
dependencies: 1
2
function: Find
inputs: National Film Registry
function: QueryRelationQualifier
dependencies: 3
4
inputs: award received
point in time
Answer: 2012-01-01