Question: Which CAS Registry Number denotes the medicine which is a nutrient of sucrose?
Choices: 57-48-7
7440-66-6
56-41-7
11103-57-4
64-17-5
84-80-0
70-54-2
59-02-9
83-88-5
7439-89-6
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "medication" . ?e_1 <nutrient> ?e . ?e_1 <pred:name> "sucrose" .  ?e <CAS_Registry_Number> ?pv .  }
Program:
function: Find
inputs: sucrose
function: Relate
dependencies: 0
inputs: nutrient
forward
function: FilterConcept
dependencies: 1
inputs: medication
function: QueryAttr
dependencies: 2
inputs: CAS Registry Number
Answer: 7439-89-6