77985
In 1922 , it was the site of the first radio broadcast of a football game in 1922 on WIP , as well as of the first television broadcast of a football game by Philco .
 WIP, Philco
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 WIP, Philco