95063
The white Provençal grape Colombaud ( not to be confused with the Cognac and South African wine grape Colombard ) was once thought to be a white berried color mutation of Bouteillan noir but research conducted by Dr. Linda Bisson of the University of California , Davis shows that while the two grapes are likely related , one is not a color mutation of the other .
 University of California , Davis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 University of California , Davis