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 manufacturers ( code number, name text, headquarter text, founder text, revenue number )
TABLE: CREATE TABLE products ( code number, name text, price number, manufacturer number )

### Question ###
Find the total revenue of companies whose revenue is larger than the revenue of some companies based in Austin.

### Accurate SQL ###

SELECT SUM(revenue) FROM manufacturers WHERE revenue > (SELECT MIN(revenue) FROM manufacturers WHERE headquarter = 'Austin')