Question: What is the connection between Cass County (the one whose population is 171512) to United States of America?
Choices: parent astronomical body
owned by
narrator
collection
official religion
edition or translation of
work location
parent club
country
killed by
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "Cass County" . ?e_1 <population> ?pv . ?pv <pred:unit> "1" . ?pv <pred:value> "171512"^^xsd:double . ?e_2 <pred:name> "United States of America" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: Cass County
function: FilterNum
dependencies: 0
inputs: population
171512
=
function: Find
inputs: United States of America
function: QueryRelation
dependencies: 1
2
Answer: country