title: How to display values from one and the same table with a difference of one year?
body: <p>There is a table containing the date of the study patients.</p>
  
  <pre><code>select inspection_date from inspection
  </code></pre>
  
  <p>Study of the patient is done not regularly with a random period of time. 
  You want to display in a single line the information about the first study and study that was closest to the patient via the first study +1 year.</p>