Question: Of Pennsylvania cities, whose population is below 3,5 billion, which one has the highest elevation (above sea level) ?
Choices: Scranton
Reading
Chester
Johnstown
Williamsport
Pittsburgh
Lancaster
Erie
Bethlehem
Greensburg
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of Pennsylvania" . ?e <population> ?pv_1 . ?pv_1 <pred:unit> "1" . ?pv_1 <pred:value> ?v_1 . FILTER ( ?v_1 < "3500000000"^^xsd:double ) . ?e <elevation_above_sea_level> ?pv . ?pv <pred:value> ?v .  } ORDER BY DESC(?v) LIMIT 1
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: population
3500000000
<
function: FilterConcept
dependencies: 1
inputs: city of Pennsylvania
function: SelectAmong
dependencies: 2
inputs: elevation above sea level
largest
Answer: Pittsburgh