Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_90 (_number_of_phones_as__percentage_of_population INTEGER, last_updated_date VARCHAR, number_of_mobile_phones VARCHAR)

### Question ###
What percent is 327,577,529 people with phones in June 2013?

### Accurate SQL ###

SELECT MAX(_number_of_phones_as__percentage_of_population) FROM table_name_90 WHERE last_updated_date = "june 2013" AND number_of_mobile_phones = "327,577,529"