Question: Does iron or copper possess the lower density?
Choices: Tulare County
iron
Jay Chou
antibiotic
copper
James Cameron
prescription drug
over-the-counter drug
Jean Louis
analgesic
SPARQL: SELECT ?e WHERE { { ?e <pred:name> "iron" .  } UNION { ?e <pred:name> "copper" .  } ?e <density> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: iron
function: Find
inputs: copper
function: SelectBetween
dependencies: 0
1
inputs: density
less
Answer: iron