Question: Of Pennsylvania cities with a population under 50000000, which has the lowest elevation?
Choices: York
Greensburg
Reading
Johnstown
Chester
Lancaster
Wilkes-Barre
Philadelphia
Easton
Altoona
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 < "50000000"^^xsd:double ) . ?e <elevation_above_sea_level> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: FindAll
function: FilterNum
dependencies: 0
inputs: population
50000000
<
function: FilterConcept
dependencies: 1
inputs: city of Pennsylvania
function: SelectAmong
dependencies: 2
inputs: elevation above sea level
smallest
Answer: Philadelphia