SELECT COUNT(mens_u20) FROM table_16724844_1 WHERE womens_40 = "Sydney Scorpions def North Queensland Cyclones"
Berapa kali Mens U20 direkam ketika Womens 40 adalah Sydney Scorpions def queensland cyclones utara?
CREATE TABLE table_16724844_1 (mens_u20 VARCHAR, womens_40 VARCHAR)