Question: What is the OCLC control number for Cosmopolis, which originated in the United States of America?
Choices:
370051270
26605019
433497856
53821716
50441437
36352242
220389620
61848491
496251806
1645522
Answer: 50441437
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Cosmopolis" . ?e <country_of_origin> ?e_1 . ?e_1 <pred:name> "United States of America" .  ?e <OCLC_control_number> ?pv .  }
Program:
function: Find
inputs: United States of America
function: Relate
dependencies: 0
inputs: country of origin
backward
function: Find
inputs: Cosmopolis
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: OCLC control number