93906
Gameplay Although not the first trackball game ( the first was a soccer game by Taito ) , Atari Football was the game that is credited with popularizing the trackball .
 Taito, Atari
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Taito, Atari