Question: Which Pennsylvania city whose establishment date is before 1769 has the lowest elevation above sea level?
Choices: York
Allentown
Pittsburgh
Philadelphia
Chester
Easton
Bethlehem
Harrisburg
Reading
Lancaster
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 < 1769 ) . ?e <elevation_above_sea_level> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1769
<
function: FilterConcept
dependencies: 1
inputs: city of Pennsylvania
function: SelectAmong
dependencies: 2
inputs: elevation above sea level
smallest
Answer: Philadelphia