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 company (headquarters VARCHAR, main_industry VARCHAR)

### Question ###
Show headquarters with at least two companies in the banking industry.

### Accurate SQL ###

SELECT headquarters FROM company WHERE main_industry = 'Banking' GROUP BY headquarters HAVING COUNT(*) >= 2