329549
History The channel originally launched on February 9 , 1989 and officially launched on September 1st of that year as SportsChannel Ohio , an affiliate of SportsChannel , a joint venture between Cablevision and NBC .
 SportsChannel Ohio, SportsChannel, Cablevision, NBC
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 SportsChannel Ohio, SportsChannel, Cablevision, NBC