Question: What is the elevation (above sea level) of the city of Pennsylvania that is the birthplace of Alex North ?
Choices: 212 metre
21 metre
71 metre
454 metre
353 metre
768 metre
294.7 metre
83 metre
16 foot
93 metre
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of Pennsylvania" . ?e_1 <place_of_birth> ?e . ?e_1 <pred:name> "Alex North" .  ?e <elevation_above_sea_level> ?pv .  }
Program:
function: Find
inputs: Alex North
function: Relate
dependencies: 0
inputs: place of birth
forward
function: FilterConcept
dependencies: 1
inputs: city of Pennsylvania
function: QueryAttr
dependencies: 2
inputs: elevation above sea level
Answer: 21 metre