1558
In June of that year he contested a by-election held after Pam Barrett resigned after her near-death experience in the dentist chair .
 person: Pam Barrett
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: Pam Barrett