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 Addresses (address_id VARCHAR, zip_postcode VARCHAR)
TABLE: CREATE TABLE Teachers (email_address VARCHAR, address_id VARCHAR)

### Question ###
What are the email addresses of teachers whose address has zip code "918"?

### Accurate SQL ###

SELECT T2.email_address FROM Addresses AS T1 JOIN Teachers AS T2 ON T1.address_id = T2.address_id WHERE T1.zip_postcode = "918"