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_93 ( number_of_networks VARCHAR, size_of_rest_bit_field VARCHAR )

### Question ###
What is the number of networks when the size of rest bit field is 8?

### Accurate SQL ###

SELECT number_of_networks FROM table_name_93 WHERE size_of_rest_bit_field = "8"