520
Real Madrid 's victory over FC Barcelona just left Atletico Madrid 's title hope hanging in the balance . They must make very sure that they amass maximum points against in-form Real Betis . {{USERNAME}}
 Real Madrid, FC Barcelona, Atletico Madrid, Real Betis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: group, creative work, person, event, product, location, corporation 
Text: {0} 
Answer:
 Real Madrid, FC Barcelona, Atletico Madrid, Real Betis