326280
This was followed by routes such as Goliath 's Groove at Stanage Edge , the first route to be graded " Exceptionally Severe " , and Suicide Wall at Cratcliffe Tor in 1946 , to which he gave the same grade .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None