Question: What real property has Minor Planet Center observatory code 644?
Choices:
Albany
Windsor Castle
movie theater
Palomar Observatory
Taj Mahal
Crimean Astrophysical Observatory
Empire State Building
Hollywood Walk of Fame
commercial art gallery
Olympia
Answer: Palomar Observatory
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "real property" . ?e <Minor_Planet_Center_observatory_code> ?pv . ?pv <pred:value> "644" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Minor Planet Center observatory code
644
function: FilterConcept
dependencies: 1
inputs: real property
function: What
dependencies: 2