28823
The park closed down in 1939 because the Great Depression left many people without much money , the completion of the San Francisco–Oakland Bay Bridge changed traffic patterns , people avoided paying the admission price , and the rise of car culture gave people many more choices for recreation destinations .
 San Francisco–Oakland Bay Bridge
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 San Francisco–Oakland Bay Bridge