9910
The director of the SEC 's division of market regulation , Richard Lindsey , said Wall Street firms will probably need to spend about $ 7 million to carry out the improvements called for by the new rules .
 organization: SEC; location: Wall Street; person: Richard Lindsey
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: SEC, Wall Street, Richard Lindsey 
Answer:
 organization: SEC; location: Wall Street; person: Richard Lindsey