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 (zip_postcode VARCHAR, city VARCHAR)

### Question ###
What is the zip code of the address in the city Port Chelsea?

### Accurate SQL ###

SELECT zip_postcode FROM Addresses WHERE city = 'Port Chelsea'