7703
Her reward was the passage in 1993 of the " Brady Bill " which requires a mandatory five-day waiting period for purchase of handguns and also mandates background checks for would-be gun purchasers .
 Brady Bill
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Brady Bill