Question: Among the chemical elements that are a nutrient of white cabbage, which has the smallest atomic number?
Choices:
manganese
Edward Carfagno
zinc
selenium
Wichita State University
calcium
phosphorus
Brigitte Nielsen
sodium
magnesium
Program:
function: Find
inputs: white cabbage
function: Relate
dependencies: 0
inputs: nutrient
forward
function: FilterConcept
dependencies: 1
inputs: chemical element
function: SelectAmong
dependencies: 2
inputs: atomic number
smallest
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "chemical element" . ?e_1 <nutrient> ?e . ?e_1 <pred:name> "white cabbage" .  ?e <atomic_number> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Answer: sodium