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Early Professional Career Gallagher made his professional debut in September 1993 with a Technical Knockout ( TKO ) win over John Kelly at the York Hall in Bethnal Green .
 Gallagher, Bethnal Green
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gallagher, Bethnal Green