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Cyril " Cyril " Kellett ( 27 April 1937 — 21 March 1993 ( aged 55 ) ) birth registered in Pontefract , is an English professional rugby league footballer of the 1950s , '60s and '70s , playing at club level for Willow Park ARLFC [ 1 ] ( Pontefract ) , Hull Kingston Rovers , and Featherstone Rovers , as a , i.e. number 1 , he died in Featherstone .
 Pontefract, Pontefract, Hull Kingston Rovers, Featherstone Rovers, Featherstone
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pontefract, Pontefract, Hull Kingston Rovers, Featherstone Rovers, Featherstone