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She is the fourth woman to have won this title , after Halina Czerny-Stefańska , Bella Davidovich ( ex aequo in 1949 ) and Martha Argerich ( 1965 ) .
 Halina Czerny-Stefańska, Bella Davidovich, Martha Argerich
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:
 Halina Czerny-Stefańska, Bella Davidovich, Martha Argerich