Question: Which one lies lower in relation to sea level, Omaha or Port Arthur ?
Choices: Columbus
Greenville
Compton
Oakland
Port Arthur
New Haven
Waukegan
Omaha
Lansing
Franklin
SPARQL: SELECT ?e WHERE { { ?e <pred:name> "Omaha" .  } UNION { ?e <pred:name> "Port Arthur" .  } ?e <elevation_above_sea_level> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: Omaha
function: Find
inputs: Port Arthur
function: SelectBetween
dependencies: 0
1
inputs: elevation above sea level
less
Answer: Port Arthur