Question: What's the relationship between Washington, D.C. and the National Register of Historic Places?
Choices: candidate
executive producer
influenced by
place served by transport hub
film regional debut venue
newspaper format
headquarters location
has immediate cause
health specialty
award disciplines or subjects
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "National Register of Historic Places" . ?e_2 <pred:name> "Washington, D.C." . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: National Register of Historic Places
function: Find
inputs: Washington, D.C.
function: QueryRelation
dependencies: 0
1
Answer: headquarters location