26800
Back in March some of baseball 's most well known superstars were called to Congress to testify on steroid use in major league baseball .
 March, Congress, major league baseball
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 March, Congress, major league baseball