Table schema:
CREATE TABLE table_name_9 (silver INTEGER, bronze VARCHAR, nation VARCHAR, total VARCHAR, gold VARCHAR)

Question: What is the highest number of silvers for qatar with under 8 total, 0 golds, and over 2 bronzes?
SQL: SELECT MAX(silver) FROM table_name_9 WHERE total < 8 AND gold = 0 AND nation = "qatar" AND bronze > 2