Are the customers holding coupons with amount 500 bad or good?
return customers ;return coupons of #1 ;return amounts of #2 ;return #1 where #3 is equal to 500 ;return if #4 are bad ;return if #4 are good ;return which is true of #5 ,  #6
['select', 'project', 'project', 'comparative', 'boolean', 'boolean', 'comparison']