Show the product type and name for the products with price higher than 1000 or lower than 500.
return products ;return prices of  #1 ;return #1 where #2 is  higher than 1000 ;return #1 where #2 is  lower than 500 ;return #3 or  #4 ;return product types of  #5 ;return names of  #5 ;return #6 ,  #7
['select', 'project', 'comparative', 'comparative', 'union', 'project', 'project', 'union']