Table: rugby_stats_19
Columns: club
played
won
drawn
lost
points_for
points_against
tries_for
tries_against
try_bonus
losing_bonus
points

Question: How many were played when there were 39 tries for? 
SQL: SELECT "played" FROM rugby_stats_19 WHERE "tries_for" = '39'

Question: How many were won when the points were 12? 
SQL: SELECT COUNT("won") FROM rugby_stats_19 WHERE "points" = '12'

Question: How many were won when there were 49 points? 
SQL: SELECT "won" FROM rugby_stats_19 WHERE "points" = '49'

Question: How many points were there when tries for were 84? 
SQL: SELECT "points" FROM rugby_stats_19 WHERE "tries_for" = '84'