text: #Query the list of CITY names from STATION that do not start with vowels and do not end with vowels. Your result cannot contain duplicates.
  
  #Input Format
  
  #The STATION table is described as follows:
  
  
  #Station (table)
  #Field Type
  #ID    Number
  #City   VARCHAR2(21)
  #State VARCHAR2(2)
  #LAT_N NUMBER
  #LONG_W NUMBER
  
  #where LAT_N is the northern latitude and LONG_W is the western longitude.
  
  
  SELECT DISTINCT(CITY)
  FROM STATION
  WHERE REGEXP_LIKE(CITY, '^[^AEIOU].*[^AEIOU]$', 'i');
  