Question: Of cities in Pennsylvania located in Eastern Time Zone, which one is the smallest by area ?
Choices: York
Johnstown
Chester
Greensburg
Pittsburgh
Easton
Harrisburg
Philadelphia
Wilkes-Barre
Scranton
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of Pennsylvania" . ?e <located_in_time_zone> ?e_1 . ?e_1 <pred:name> "Eastern Time Zone" .  ?e <area> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: Eastern Time Zone
function: Relate
dependencies: 0
inputs: located in time zone
backward
function: FilterConcept
dependencies: 1
inputs: city of Pennsylvania
function: SelectAmong
dependencies: 2
inputs: area
smallest
Answer: Easton