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 county ( Zip_code VARCHAR, County_name VARCHAR )

### Question ###
Show the zip code of the county with name 'Howard'.

### Accurate SQL ###

SELECT Zip_code FROM county WHERE County_name = "Howard"