Question: Tell me which one has the tiniest atomic number among the medication that is a bread nutrient.
Choices: over-the-counter drug
antibiotic
analgesic
Peter Tolan
Joseph Campbell
iron
prescription drug
Steve Golin
Dany Heatley
copper
SPARQL: SELECT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "medication" . ?e_1 <nutrient> ?e . ?e_1 <pred:name> "bread" .  ?e <atomic_number> ?pv . ?pv <pred:value> ?v .  } ORDER BY ?v LIMIT 1
Program:
function: Find
inputs: bread
function: Relate
dependencies: 0
inputs: nutrient
forward
function: FilterConcept
dependencies: 1
inputs: medication
function: SelectAmong
dependencies: 2
inputs: atomic number
smallest
Answer: iron