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 (richmond_ VARCHAR, staten_is VARCHAR, the_bronx VARCHAR)

### Question ###
How many voters were in Manhattan when 181,639 people voted in the Bronx?

### Accurate SQL ###

SELECT richmond_[staten_is] FROM table_name_90 WHERE the_bronx = "181,639"