Question: What is the OCLC control number for Harry Potter and the Prisoner of Azkaban (the one that is a notable work of J. K. Rowling)?
Choices: 220389620
26502801
16386945
225632887
137281452
27417158
304833
5735281
225632785
124028290
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Harry Potter and the Prisoner of Azkaban" . ?e_1 <notable_work> ?e . ?e_1 <pred:name> "J. K. Rowling" .  ?e <OCLC_control_number> ?pv .  }
Program:
function: Find
inputs: J. K. Rowling
function: Relate
dependencies: 0
inputs: notable work
forward
function: Find
inputs: Harry Potter and the Prisoner of Azkaban
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: OCLC control number
Answer: 225632887