CREATE TABLE table_name_58 (top_25 INTEGER, top_5 VARCHAR(255), top_10 VARCHAR(255), tournament VARCHAR(255))
What is the average Top-25 that has a Top-10 less than 7, and the Tournament is the open championship, with a Top-5more than 1?
    
SQL: SELECT AVG(top_25) FROM table_name_58 WHERE top_10 < 7 AND tournament = "the open championship" AND top_5 > 1