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_20803241_1 (type_of_fare VARCHAR, cash_fare VARCHAR, day_pass VARCHAR)

### Question ###
When n/a is the cash fate and n/a is the 31-day pass how many types of fare are there?

### Accurate SQL ###

SELECT COUNT(type_of_fare) FROM table_20803241_1 WHERE 31 - day_pass = "N/A" AND cash_fare = "N/A"