4373
While BASE jumps had been made prior to that time , the El Capitan activity was the effective birth of what is now called BASE jumping .
 location: El Capitan
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:
 location: El Capitan