CREATE TABLE table_name_1 (number_of_jews__wjc_ INTEGER, rank___wjc__ VARCHAR, rank__arda_ VARCHAR)
What was the highest number of WJC Jews that had a WJC rank of 6 and a ARDA rank of more than 8?
SELECT MAX(number_of_jews__wjc_) FROM table_name_1 WHERE rank___wjc__ = 6 AND rank__arda_ > 8