Question: Which one of the census-designated places, located i Eastern Time Zone, has the lowest elevation above sea level ?
Choices: Springfield
Ghost Rider
Towson
Brendan Gleeson
Todd Rundgren
Stanford
Silver Spring
Independence
Bethesda
McLean
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "census-designated place" . ?e <located_in_time_zone> ?e_1 . ?e_1 <pred:name> "Eastern Time Zone" .  ?e <elevation_above_sea_level> ?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: census-designated place
function: SelectAmong
dependencies: 2
inputs: elevation above sea level
smallest
Answer: McLean