15591
The positions of twenty three points between Dunnose and Beacon Hill , Clifton , near Doncaster , were determined , and the closest possible measurements were made of the distances between the points and the direction from one point to another .
 Clifton
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Clifton