1479
This is also necessary to fix a release date that functions into Valve 's " build review " , a free service performed by Valve about a week before this release date to make sure the game can be installed and run , and other checks to make sure the game 's launch is otherwise trouble-free .
 organization: Valve; organization: Valve
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:
 organization: Valve; organization: Valve