title: SQL - Prior 3 year date
body: <p>Could someone please assist me for a simple SQL code. I have a table with the following fields: Id, item, processed_date. How do I pull data from this table prior three years from a certain date in the processed_date field?
  for example
  i like to know how many items that were sold on 12/6/05 but three years prior to that date?</p>
  
  <p>Thanks very much
  Joe</p>