Question: What is the NRHP reference number for the art school that is the educational institution of Robert De Niro who is taught at Black Mountain College?
Choices: 82001281
88001586
66000615
96000530
78002579
15000950
78001433
75001447
71000731
71000132
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "art school" . ?e_1 <educated_at> ?e . ?e_1 <pred:name> "Robert De Niro" . ?e_1 <educated_at> ?e_2 . ?e_2 <pred:name> "Black Mountain College" .  ?e <NRHP_reference_number> ?pv .  }
Program:
function: Find
inputs: Black Mountain College
function: Relate
dependencies: 0
inputs: educated at
backward
function: Find
inputs: Robert De Niro
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: educated at
forward
function: FilterConcept
dependencies: 4
inputs: art school
function: QueryAttr
dependencies: 5
inputs: NRHP reference number
Answer: 82001281