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The largest number of by-elections on one day was on 11 March 1925 , when seven constituencies filled nine vacancies caused by the National Party 's split from Cumann na nGaedheal .
 National Party, Cumann na nGaedheal
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:
 National Party, Cumann na nGaedheal