22405
He was not established as the club 's first-choice left-back until the early 2000 s due to the consistency of the much older Denis Irwin .
 person: Denis Irwin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Denis Irwin 
Answer:
 person: Denis Irwin