Question: Which area has lower elevation above sea level, Bismarck (the one that is located in time zone Central Time Zone) or Nashua?
Choices: Columbus
Lansing
Boulder
Bismarck
New Haven
Compton
Waukegan
Nashua
Franklin
Oakland
SPARQL: SELECT ?e WHERE { { ?e <pred:name> "Bismarck" . ?e <located_in_time_zone> ?e_1 . ?e_1 <pred:name> "Central Time Zone" .   } UNION { ?e <pred:name> "Nashua" .  } ?e <elevation_above_sea_level> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: Central Time Zone
function: Relate
dependencies: 0
inputs: located in time zone
backward
function: Find
inputs: Bismarck
function: And
dependencies: 1
2
function: Find
inputs: Nashua
function: SelectBetween
dependencies: 3
4
inputs: elevation above sea level
less
Answer: Nashua