Question: ZVG code 12920 designates which chemical compound?
Choices: capric acid
palmitic acid
cis-oleic acid
thiamine ion
sucrose
L-Leucine
L-Arginine
stearic acid
choline
folic acid
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "chemical compound" . ?e <ZVG_number> ?pv . ?pv <pred:value> "12920" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: ZVG number
12920
function: FilterConcept
dependencies: 1
inputs: chemical compound
function: What
dependencies: 2
Answer: L-Leucine