1690
In fact , Chebyshev 's proof works so long as the variance of the average of the first " n " values goes to zero as " n " goes to infinity. , which is not bounded .
 person: Chebyshev
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Chebyshev