870
In contrast , the fatality rate in the states that retained the 55 mph limit was 0.9 last year , the same as in 1986 .
 55 mph, 0.9, last year, 1986
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:
 55 mph, 0.9, last year, 1986