Question: I'd like to know the CAS Registry Number for L-Histidine
Choices: 7440-23-5
71-00-1
7440-66-6
112-80-1
54-28-4
7440-50-8
72-19-5
60-33-3
56-84-8
63-91-2
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "L-Histidine" . ?e <CAS_Registry_Number> ?pv .  }
Program:
function: Find
inputs: L-Histidine
function: QueryAttr
dependencies: 0
inputs: CAS Registry Number
Answer: 71-00-1