SELECT sum(revenue) FROM manufacturers WHERE revenue  >  (SELECT min(revenue) FROM manufacturers WHERE headquarter  =  'Austin')
What is the total revenue of companies with revenue greater than the lowest revenue of any manufacturer in Austin?
[Schema (values) (types)]: | manufactory_1 |  Manufacturers : code (text) , name (number) , headquarter (text) , founder (text) , revenue (text) | Products : code (text) , name (number) , price (text) , manufacturer (text);