Question: Richard Nixon replaced which person in the role of US Vice President?
Choices: John Marshall
William McKinley
Alben W. Barkley
Condoleezza Rice
Neville Chamberlain
Benjamin Harrison
New York City
Elizabeth II
Henry Campbell-Bannerman
Martin Van Buren
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Richard Nixon" . ?e_2 <pred:name> "Vice President of the United States" . ?e_1 <position_held> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <position_held> ; <pred:fact_t> ?e_2 ] <replaces> ?qpv .  }
Program:
function: Find
inputs: Richard Nixon
function: Find
inputs: Vice President of the United States
function: QueryRelationQualifier
dependencies: 0
1
inputs: position held
replaces
Answer: Alben W. Barkley