184980
Automobile Races - Oval Prest-O-Lite Trophy ; Wheeler-Schebler Trophy ; Other Early Automobile Races ( 1909-1910 ) On four race weekends in 1909 and 1910 , a total of 82 automobile races were held , with lengths varying between 5 and 250 miles .
 Automobile, Automobile
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Automobile, Automobile