CREATE TABLE table_name_39 (points VARCHAR(255), club VARCHAR(255), goal_difference VARCHAR(255), wins VARCHAR(255))
In the club of Real Oviedo, what were the points of the competitor with a goal difference less than 38, and 12 wins?
    
SQL: SELECT points FROM table_name_39 WHERE goal_difference < 38 AND wins = 12 AND club = "real oviedo"