CREATE TABLE table_name_92 (total_wins INTEGER, number_of_clubs VARCHAR(255), season VARCHAR(255), runners_up VARCHAR(255))
What is the lowest total number of wins in a season before 1989 with tianjin as the runners-up and more than 8 clubs?
    
SQL: SELECT MIN(total_wins) FROM table_name_92 WHERE season < 1989 AND runners_up = "tianjin" AND number_of_clubs > 8