Table: ntl_champs_history
Columns: year
mens_open
womens_open
mixed_open
mens_u20
womens_u20
senior_mixed
mens_30
womens_30
mens_35
womens_35
mens_40
womens_40
mens_45
mens_50

Question: How many times was the mens u20 recorded when the Womens 40 were Sydney Scorpions def North Queensland Cyclones?
SQL: SELECT COUNT("mens_u20") FROM ntl_champs_history WHERE "womens_40" = 'Sydney Scorpions def North Queensland Cyclones'

Question: What were the results for mens 40 when the mens u20 was Southern Suns def Gold Coast Sharks?
SQL: SELECT "mens_40" FROM ntl_champs_history WHERE "mens_u20" = 'Southern Suns def Gold Coast Sharks'

Question: What were the results of the mens open when the  womens 40 was Sydney Scorpions defeated Hunter Hornets?
SQL: SELECT "mens_open" FROM ntl_champs_history WHERE "womens_40" = 'Sydney Scorpions defeated Hunter Hornets'

Question: What were the results of the womens u20 when the mens 45 was  Sunwest Razorbacks def Northern Eagles?
SQL: SELECT "womens_u20" FROM ntl_champs_history WHERE "mens_45" = 'SunWest Razorbacks def Northern Eagles'

Question: What was the mens 45 when mens 40 was Sunwest Razorbacks def Sydney Mets?
SQL: SELECT "mens_45" FROM ntl_champs_history WHERE "mens_40" = 'SunWest Razorbacks def Sydney Mets'

Question: What was the mens open when the mens u20 was  Qld Country Rustlers def Southern Suns?
SQL: SELECT "mens_open" FROM ntl_champs_history WHERE "mens_u20" = 'Qld Country Rustlers def Southern Suns'