12843
He was at that time vying for the national wing position against his great club rivals Ken Irvine , Peter Dimond and Michael Cleary .
 Ken Irvine, Peter Dimond, Michael Cleary
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Ken Irvine, Peter Dimond, Michael Cleary