Question: What is the birth name of James K. Polk?
Choices: Patricia Louise Holte-Edwards
Arthur Christopher Orme Plummer
Naomi Elaine Campbell
Joseph Robinette Biden
James Knox Polk
Robert Carlyle Byrd
Steven Andrew Soderbergh
Lyon Sprague de Camp
Charles Jonathan Mahoney
Nancy Patricia D'Alesandro
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "James K. Polk" . ?e <birth_name> ?pv .  }
Program:
function: Find
inputs: James K. Polk
function: QueryAttr
dependencies: 0
inputs: birth name
Answer: James Knox Polk