Question: Which city of Pennsylvania has the largest elevation (above sea level) and inception time before 1856 ?
Choices: Lancaster
Johnstown
York
Bethlehem
Wilkes-Barre
Pittsburgh
Allentown
Altoona
Easton
Harrisburg
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of Pennsylvania" . ?e <inception> ?pv_1 . ?pv_1 <pred:year> ?v_1 . FILTER ( ?v_1 < 1856 ) . ?e <elevation_above_sea_level> ?pv . ?pv <pred:value> ?v .  } ORDER BY DESC(?v) LIMIT 1
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1856
<
function: FilterConcept
dependencies: 1
inputs: city of Pennsylvania
function: SelectAmong
dependencies: 2
inputs: elevation above sea level
largest
Answer: Pittsburgh