Question: What is George Orwell's Amazon author page?
Choices:
B002ZFZSUA
B000AP9H8Q
B000AQ8WUY
B000AQ541E
B000APYT8O
B001IU2SGK
B000AQ0KKY
B002DPABLS
B001HD071G
B000APWLIO
Answer: B000AQ0KKY
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "George Orwell" . ?e <Amazon_author_page> ?pv .  }
Program:
function: Find
inputs: George Orwell
function: QueryAttr
dependencies: 0
inputs: Amazon author page