59478
In 1994 Piauí had the lowest per capita income in the region and the country , only US $ 835 , while Sergipe had the highest average income in the region , with US $ 1,958 .
 Piauí, Sergipe
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Piauí, Sergipe