CREATE TABLE table_name_5 (second VARCHAR(255), premier VARCHAR(255), first VARCHAR(255), season VARCHAR(255))
What is the total number of Second, when First is greater than 18, when Season is 1992-93, and when Premier is greater than 16?
    
SQL: SELECT COUNT(second) FROM table_name_5 WHERE first > 18 AND season = "1992-93" AND premier > 16