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He was re-elected for Widnes from a 1971 by-election until 1983 , and for Halton from 1983 until 1997 .
 Widnes, Halton
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Widnes, Halton