4. (25 points) Write an SQL statement to display the very middle character of their first names for all employees whose first names have odd number characters (e.g., 3, 5, 7, etc.). The titles of the two displayed columns are "First Name" and "Middle Character of First Name". No special sorting needed. First Name Middle Character of First Name 1 Neena 2 Lex e 3 Alexander a 4 Bruce 5 Diana a 6 Kevin V 7 Randall d 8 Peter t 9 Eleni e 10 Ellen 1 11 Kimberely e 12 Michael h 13 Pat a 14 Shelley 1 15 William 1