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.
Input Format
The STATION table is described as follows:
Field
Type
ID
INTEGER
CITY
VARCHAR(21)
STATE
VARCHAR(2)
LAT_N
NUMERIC
LONG_W
NUMERIC
where LAT_N is the northern latitude and LONG_W is the western longitude.