Question: What is the elevation of the US city where Charlton Heston was born?
Choices: 614 foot
2850 metre
1400 metre
352 metre
239 metre
3148 metre
164 foot
23 metre
279 metre
121 metre
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e_1 <place_of_birth> ?e . ?e_1 <pred:name> "Charlton Heston" .  ?e <elevation_above_sea_level> ?pv .  }
Program:
function: Find
inputs: Charlton Heston
function: Relate
dependencies: 0
inputs: place of birth
forward
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: QueryAttr
dependencies: 2
inputs: elevation above sea level
Answer: 614 foot