Table schema:
CREATE TABLE table_name_54 (postseason VARCHAR, rank VARCHAR, win_percentage VARCHAR, games VARCHAR)

Question: What postseason has a win% between 0.40700000000000003 and 108 with a rank of 1?
SQL: SELECT postseason FROM table_name_54 WHERE win_percentage > 0.40700000000000003 AND games < 108 AND rank = 1