Find the name of companies whose revenue is smaller than the revenue of all companies based in Austin.
return companies ;return #1 based in Austin ;return revenues of #2 ;return the lowest #3 ;return revenues of #1 ;return #1 where #5 is  smaller than #4 ;return names of #6
['select', 'filter', 'project', 'aggregate', 'project', 'comparative', 'project']