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_3 ( airportname VARCHAR, city___town VARCHAR, iata VARCHAR )

### Question ###
What is the name of the airport in S o Filipe that has an IATA of sfl?

### Accurate SQL ###

SELECT airportname FROM table_name_3 WHERE city___town = "são filipe" AND iata = "sfl"