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Series co-creator Brad Wright attributed this decline to its change in timeslot ( from Friday night to Tuesday night , and then again to Monday night ) , stating : The letter discussed the fact that ratings during the first season had fallen significantly on the Friday timeslot , dropping over 25 % of its viewership during the long hiatus between the first and second half of the season .
 person: Brad Wright
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:
 person: Brad Wright