title: How to retrieve rows that begin and end with vowels?
body: <p>Query the list of CITY names from STATION which have vowels (i.e., a, e, i, o, and u) as both their first and last characters. Your result cannot contain duplicates.</p>
  
  <p><a href="https://i.stack.imgur.com/7bYdz.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/7bYdz.png" alt="enter image description here"></a></p>