Table: csi_miami_characters_4
Columns: character
position
actor
first_episode
final_episode
duration
final_episode_count

Question: What actor plays glen cole?
SQL: SELECT "actor" FROM csi_miami_characters_4 WHERE "character" = 'glen cole'

Question: What is the average number for a final episode featuring maxine valera?
SQL: SELECT AVG("final_episode_count") FROM csi_miami_characters_4 WHERE "character" = 'maxine valera'