Question: Among the counties of Massachusetts, located in  Massachusetts (the one that is a part of contiguous United States), which one covers the smallest area ?
Choices: Essex County
Suffolk County
Hampshire County
Middlesex County
Barnstable County
Franklin County
Norfolk County
Worcester County
Bristol County
Berkshire County
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "county of Massachusetts" . ?e <located_in_the_administrative_territorial_entity> ?e_1 . ?e_1 <pred:name> "Massachusetts" . ?e_1 <part_of> ?e_2 . ?e_2 <pred:name> "contiguous United States" .  ?e <area> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: contiguous United States
function: Relate
dependencies: 0
inputs: part of
backward
function: Find
inputs: Massachusetts
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: located in the administrative territorial entity
backward
function: FilterConcept
dependencies: 4
inputs: county of Massachusetts
function: SelectAmong
dependencies: 5
inputs: area
smallest
Answer: Worcester County