Question: What is the CAS Registry number of vitamin B6?
Choices:
7723-14-0
506-32-1
7440-23-5
8059-24-3
617-65-2
73-32-5
72-19-5
112-80-1
56-84-8
71-00-1
Answer: 8059-24-3
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "vitamin B6" . ?e <CAS_Registry_Number> ?pv .  }
Program:
function: Find
inputs: vitamin B6
function: QueryAttr
dependencies: 0
inputs: CAS Registry Number