Table schema:
CREATE TABLE table_name_57 (top_10 INTEGER, cuts_made VARCHAR, top_25 VARCHAR, top_5 VARCHAR)

Question: Which Top-10 has a Top-25 smaller than 18, and a Top-5 of 6, and a Cuts made smaller than 20?
SQL: SELECT MAX(top_10) FROM table_name_57 WHERE top_25 < 18 AND top_5 = 6 AND cuts_made < 20